Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Thursday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (70-70) and Oakland A’s (61-79) wrap up a 4-game set Thursday. First pitch from Oakland-Alameda County Coliseum is set for 3:37 p.m. ET. Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 5-4

The Mariners dropped the 1st 2 games of this series, both walk-off wins for the A’s. Seattle put it together Wednesday night, taking out a lot of frustration on Oakland with a 16-3 victory to punish LHP JP Sears and the bullpen.

Seattle RHP George Kirby turned in a quality start with 2 ER and 6 H allowed with 9 K across 6 IP in a victory, while DH Mitch Garver and 3B Luis Urias each drove in 4 runs. Urias and OF Victor Robles each collected 3 hits, too.

The Mariners snapped a 4-game skid, all losses by a single run. Despite just a .500 record, Seattle is squarely in the chase for a postseason spot, but it needs a lot of help with 22 games remaining.

The A’s host Seattle for the final time at the Coliseum before it pulls up stakes and heads to Sacramento next season, prior to its move to Las Vegas.

Mariners at A’s projected starters

RHP Bryan Woo vs. RHP Joey Estes

Woo (6-2, 2.30 ERA) makes his 18th start. He has a 0.81 WHIP, 0.9 BB/9 and 6.8 K/9 in 94 IP.

  • Last start: No-decision, 6 1/3 IP, 4 ER, 5 H (3 HR), 0 BB, 3 K in 5-4 road loss vs. Los Angeles Angels Saturday
  • 2024 road splits: 2-2, 2.94 ERA (52 IP, 17 ER), 0.92 WHIP, .212 opponents’ batting average (OBA), 6 BB, 36 K in 10 starts
  • Post All-Star break: 3-1, 2.16 ERA (50 IP, 12 ER), 6 HR, 0.74 WHIP, .180 OBA, 4 BB, 42 K in 8 starts
  • Career vs. A’s: 3-0, 0.00 ERA (21 1/3 IP, 0 ER), 0.70 WHIP, 8.4 K/9 in 4 starts

Estes (6-6, 4.29 ERA) makes his 20th start and 21st appearance. He has a 1.11 WHIP, 1.9 BB/9 and 7.0 K/9 in 107 IP.

  • Last start: No-decision, 6 IP, 2 ER, 6 H (1 HR), 0 BB, 7 K in 3-2 road loss vs. Texas Rangers Saturday
  • 2024 home splits: 4-1, 2.31 ERA (58 1/3 IP, 15 ER), 0.81 WHIP, .188 OBA, 8 BB, 40 K in 9 starts (1 CG)
  • Post All-Star break: 2-2, 2.86 ERA (44 IP, 14 ER), 1.00 WHIP, .219 OBA, 8 BB, 34 K in 8 appearances (7 starts)
  • Career vs. Mariners: 2-1, 3.38 ERA (16 IP, 6 ER), 4 HR, 0.63 WHIP, 6.8 K/9 in 3 starts

Who’s going yard? Here’s a breakdown of today’s best home run props with our top picks. Include the BetMGM bonus code SBWIRE to score a $1,500 first-bet offer.

Mariners at A’s odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 4 a.m. ET.

  • Moneyline (ML): Mariners -148 (bet $148 to win $100) | A’s +126 (bet $100 to win $126)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+116) | A’s +1.5 (-140)
  • Over/Under (O/U): 7.5 (O: -106 | U: -114)

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Mariners at A’s picks and predictions

Prediction

Mariners 3, Athletics 2

Moneyline

The MARINERS (-148) are a good bet behind Woo, who has never surrendered a run in 3 career starts against the A’s (+126).

Estes has also handled himself well against Seattle, and he has pitched well since the All-Star break, too. Look for this one to be a nail-biter, with the M’s coming out on top in a close one.

Run line/Against the spread

If you can’t bring yourself to back the A’S +1.5 (-140) straight up, they’re not a bad bet catching the run and a half. The Mariners -1.5 (+116) took out a ton of frustration on Oakland in Wednesday’s rout, but prior to that they had 4 consecutive 1-run losses.

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Over/Under

UNDER 7.5 (-114) might be the best play on the board in what could be a surprising pitchers’ duel between Woo and Estes under the Golden State sunshine.

Again, Woo has never allowed a run in 21 1/3 IP across 4 career starts against the A’s, and Estes has a sub-3.00 ERA since the All-Star break. These might not be your first choices when thinking about effective AL pitchers, but both have been keeping scores surprisingly low lately.

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Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Wednesday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (69-70) and Oakland A’s (61-78) play the 3rd contest in a 4-game set Wednesday. First pitch from Oakland-Alameda County Coliseum is set for 9:40 p.m. ET. Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Tied 4-4

The Mariners lost 2 of 3 games against the Los Angeles Angels over the weekend, and they brought their bad juju to the Bay Area. Seattle has dropped each of the 1st 2 games of the series, with Oakland walking it off both nights. Seth Brown was the hero Tuesday with a HR earlier in the contest, and a game-winning single.

In the losing effort, Seattle’s Cal Raleigh had a 2-run RBI double in the 1st inning to get to 84 RBI. That’s the best mark in franchise history by a catcher, breaking the record of his interim manager, Dan Wilson. It was the 25th time Raleigh has had a multi-RBI game, too, and the Mariners are 19-6 in those outings.

Oakland has won 3 of the past 4 meetings, and the Under has connected in 4 of the past 5 in the series.

Mariners at A’s projected starters

RHP George Kirby vs. LHP JP Sears

Kirby (10-10, 3.63 ERA) makes his 29th start. He has a 1.11 WHIP, 1.2 BB/9 and 8.6 K/9 in 161 IP.

  • Last start: Win, 5 2/3 IP, 5 ER, 5 H (3 HR), 1 BB, 2 K in 9-5 road victory vs. Angels Friday
  • 2024 road splits: 5-6, 4.17 ERA (90 2/3 IP, 42 ER), 1.16 WHIP, .258 opponents’ batting average (OBA), 12 BB, 76 K in 16 starts
  • Post All-Star break: 3-3, 4.57 ERA (43 1/3 IP, 22 ER), 9 HR, 1.43 ERA, .295 OBA, 8 BB, 37 K in 8 starts
  • Career vs. A’s: 4-0, 4.12 ERA (39 1/3 IP, 18 ER), 4 HR, 1.30 WHIP, 8.9 K/9 in 7 starts

Sears (11-9, 4.21 ERA) makes his 28th start. He has a 1.21 WHIP, 2.4 BB/9 and 6.9 K/9 in 151 2/3 IP.

  • Last start: Win, 7 IP, 1 ER, 5 H (1 solo HR), 2 BB, 4 K in 9-2 road victory vs. Texas Rangers Friday
  • 2024 home splits: 6-5, 4.70 ERA (69 IP, 36 ER), 1.25 WHIP, .274 OBA, 13 BB, 52 K in 13 starts
  • Post All-Star break: 5-2, 3.53 ERA (51 IP, 20 ER), 1.10 WHIP, .253 OBA, 8 BB, 41 K in 8 starts
  • Career vs. Mariners: 2-2, 1.86 ERA (38 2/3 IP, 8 ER), 3 HR, 1.01 WHIP, 8.8 K/9 in 7 appearances (6 starts)

Who’s going yard? Here’s a breakdown of today’s best home run props with our top picks. Include the BetMGM bonus code SBWIRE to score a $1,500 first-bet offer.

Mariners at A’s odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 6:31 a.m. ET.

  • Moneyline (ML): Mariners -144 (bet $144 to win $100) | A’s +122 (bet $100 to win $122)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+118) | A’s +1.5 (-142)
  • Over/Under (O/U): 7.5 (O: -105 | U: -115)

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Mariners at A’s picks and predictions

Prediction

A’s 4, Mariners 3

Moneyline

The A’S (+122) are a solid play as short ‘dogs at home, as they’re being extremely rude hosts to the Mariners (-144) so far in this series. In fact, Seattle’s postseason hopes might officially die in the Bay Area.

Sears has been the best pitcher for Oakland, and he has gotten stronger after the All-Star break. The A’s don’t have a great record, but they’ve been pesky, and much better than expected.

Run line/Against the spread

If you’re more of a careful bettor, and you just don’t trust Oakland straight up, A’S +1.5 (-142) for a little insurance isn’t priced out of line.

The A’s have been coming up with late-inning magic in this series, and they have their best starting pitcher going. But, if you need to take the run, no one can blame you.

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Over/Under

UNDER 7.5 (-115) is once again the lean, but stick with a half-unit play at most.

The total has gone low in 4 of the past 5 meetings between these AL West rivals.

Be careful, as the Over has cashed in each of the past 5 starts for Kirby. However, the A’s have managed just 3.5 runs per game in the past 4 outings, while allowing just 3.8 RPG.

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Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Monday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (69-68) and Oakland A’s (59-78) open a 4-game series Monday. First pitch from Oakland-Alameda County Coliseum is set for 7:07 p.m. ET (MLB Network). Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 4-2

The Mariners dropped 2 of 3 games against the Los Angeles Angels over the weekend. Seattle is just 2-11 across the past 13 road contests dating back to July 31. The Over is on a 3-1 run, while the total has gone high at a 9-4-2 clip in the past 15 outings.

The A’s lost 2 of 3 games against the Texas Rangers on the road this weekend. Oakland is a respectable 6-6 in the past 12 games at home, while the Over is on a 4-1 run in the past 5 outings.

The last time these teams met in Oakland June 4-6, the Mariners won 2 of 3 games, while the Under cashed in all 3 outings.

Mariners at A’s projected starters

RHP Logan Gilbert vs. RHP Osvaldo Bido

Gilbert (7-10, 3.09 ERA) makes his 28th start. He has a 0.90 WHIP, 1.6 BB/9 and 9.0 K/9 in 171 2/3 IP.

  • Last start: No-decision, 6 IP, 0 ER, 4 H, 0 BB, 10 K in 3-2 home loss vs. Tampa Bay Rays Tuesday
  • 2024 road splits: 4-5, 3.81 ERA (87 1/3 IP, 37 ER), 1.00 WHIP, .213 opponents’ batting average (OBA), 19 BB, 80 K in 14 starts
  • Career vs. A’s: 2-1, 3.09 ERA (58 1/3 IP, 20 ER), 6 HR, 0.93 WHIP, 7.1 K/9 in 10 starts

Bido (5-3, 3.21 ERA) makes his 9th start and 15th appearance. He has a 1.07 WHIP, 3.9 BB/9 and 9.0 K/9 in 56 IP.

  • Last start: No-decision, 6 IP, 5 ER, 9 H (1 HR), 0 BB, 7 K in 7-5 road loss vs. Guardians Wednesday
  • 2024 home splits: 3-2, 3.03 ERA (32 2/3 IP, 11 ER), 1.16 WHIP, .188 OBA, 16 BB, 36 K in 5 starts (9 appearances)
  • Has never faced Mariners

Who’s going yard? Here’s a breakdown of today’s best home run props with our top picks. Include the BetMGM bonus code SBWIRE to score a $1,500 first-bet offer.

Mariners at A’s odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 6 a.m. ET.

  • Moneyline (ML): Mariners -144 (bet $144 to win $100) | A’s +122 (bet $100 to win $122)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+120) | A’s +1.5 (-144)
  • Over/Under (O/U): 7.5 (O: -108 | U: -112)

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Mariners at A’s picks and predictions

Prediction

Mariners 4, A’s 3

Moneyline

The MARINERS (-144) are a solid play as moderate favorites in the series opener. Gilbert has been pitching well all season, including a solid 3.81 ERA and 1.00 WHIP on the road.

The Mariners are a respectable 5-4 in 9 games under interim manager Dan Wilson, and the schedule is set up for Seattle to make a move still, but it needs to get going.

Run line/Against the spread

If you’re a little more conservative of a bettor, A’S +1.5 (-144) is worth playing lightly behind Bido. He has really come into his own for Oakland, posting a 3.03 ERA at home this season and holding the opposition to a .188 batting average. This will be a surprisingly decent pitching matchup.

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Over/Under

UNDER 7.5 (-112) is the lean, but go with a half-unit play at best.

While the Over is 6-3-1 across the past 10 games for the Mariners, the Under cashed in each outing of the previous 3-game set in Oakland.

For the A’s, while the Over is 4-1 in the past 5 outings, the Under is 9-6 across the past 15 games. And the Under has cashed in 4 of the past 5 outings by Bido.

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Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Thursday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (35-28) and Oakland A’s (25-38) conclude their 3-game series Thursday. First pitch from Oakland Coliseum is slated for 3:37 p.m. ET. Let’s analyze FanDuel Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 3-2

The Mariners could not get anything going offensively until a 9th inning solo shot from CF Julio Rodriguez and lost 2-1 to the A’s on Wednesday. RHP Logan Gilbert was the hard luck loser (7 IP, 2 R 1 ER, 5 H, 0 BB 5 K). The loss snapped a 4-game winning streak for Seattle.

The A’s got a brilliant effort from starting RHP Joey Estes. The 22-year-old struck out 5 in 6 1/3 IP of 1-hit ball while 2B Zack Gelof had a solo HR. Oakland is looking to end a 3-series losing streak on Thursday.

Mariners at A’s projected starters

RHP Bryan Woo vs. LHP JP Sears

Woo (2-0, 1.30 ERA) makes his 6th start. He has a 0.58 WHIP, 0.7 BB/9 and 5.9 K/9 in 27 2/3 IP

  • Last start: No-decision, 6 IP, 0 ER, 3 H, 0 BB, 2 K in 5-4 victory over the Los Angeles Angels Friday
  • Last start vs A’s: No-decision, 4 1/3 IP, 0 ER, 1 H, 1 BB, 3 K in 8-1 victory on May 10

Sears (4-4, 4.01 ERA) makes his 13th start. He has a 1.11 WHIP, 2.5 BB/9 and 6.0 K/9 in 67 1/3 IP

  • Last start: Loss, 7 IP, 4 ER), 6 H, 2 BB, 5 K in 4-2 loss at the Atlanta Braves Friday
  • 2023 vs A’s: 0-1, 2.70 ERA (16 2/3 IP, 5 ER) in 3 starts

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Mariners at A’s odds

Provided by FanDuel Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 6:17 a.m. ET.

  • Moneyline (ML): Mariners -138 (bet $138 to win $100) | A’s +118 (bet $100 to win $118)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+115) | A’s +1.5 (-138)
  • Over/Under (O/U): 7.5 (O: -120 | U: +102)

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Mariners at A’s picks and predictions

Prediction

A’s 4, Mariners 3

Moneyline.

BET A’S (+118).

Sears has owned the Mariners in his career. He’s got a 1.65 ERA in 6 games against Oakland. He also has better splits at home, JP is 3-1 with a 3.38 ERA in 5 starts. The A’s also shut down Seattle on Wednesday night. They are just 3 games under .500 at the Oakland Coliseum this season.

Woo has looked good, but has struggled on the road. He’s allowed 9 ER over his last 3 home starts dating back to last year.

Run line/Against the spread

PASS.

I’m putting my unit bet on the moneyline and avoid the run line.

Over/Under

PASS.

My lean is to the Under (+102) but this bet is basically a coin toss. These teams are 5-4 against the Over in their last 9 meetings.

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Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Wednesday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (35-27) play the middle game of their 3-game road series at the Oakland A’s (24-38) Wednesday. First pitch from Oakland-Alameda County Coliseum is at 9:40 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 3-1

Seattle won Tuesday’s opener 4-3 as a -153 favorite with the Under (7.5) sneaking in as a winner. RHP George Kirby (5 IP, 2 ER) struck out 9 in notching his 1st win in his last 5 starts, 1B Ty France drove in 2 runs and 3B Josh Rojas went 3 for 5 with a run and an RBI.

The Mariners have won 4 games in a row and 8 of their last 9. They lead the AL West by 5½ games.

The A’s have lost 5 of their last 6 games, including 2 in a row, and have lost their last 3 series. Seven of their 9 starters recorded a hit Tuesday, including 2 hits from CF JJ Bleday, but Oakland couldn’t overcome a 4-1 lead Seattle built in the first 3½ innings.

Mariners at A’s projected starters

RHP Logan Gilbert vs. RHP Joey Estes

Gilbert (3-3, 3.29 ERA) makes his 13th start. He has a 1.00 WHIP, 2.3 BB/9 and 8.3 K/9 through 76 2/3 innings.

  • Last start: Loss, 6 IP, 4 ER, 8 H, 1 BB, 5 K in 4-0 home loss to Houston Astros Thursday
  • Career vs. A’s: 2-0, 3.33 ERA (51 1/3 IP, 19 ER), 0.96 WHIP, 7.2 K/9 in 9 starts
  • 2023 vs. A’s: 1-0, 2.57 ERA (14 IP, 4 ER), 6 H, 2 BB 12 K in 2 starts
  • Last 5 starts: 0-3, 5.97 ERA (28 2/3 IP, 19 ER), 1.36 WHIP, 6.6 K/9

Estes (1-1, 6.10 ERA) makes his 5th start. He has a 1.21 WHIP, 2.6 BB/9 and 8.7 K/9 through 20 2/3 innings.

  • Last start: No decision, 5 IP, 1 ER, 2 H, 2 B, 5 K in 4-3 road loss at Tampa Bay Rays May 29
  • Picked up 8-1 win in 1st start of season over Mariners May 11, allowing 1 run in 5 innings
  • Career vs. Mariners: 1-1, 5.59 ERA (9 2/3 IP, 6 ER), 8 H, 1 BB, 7 K in 2 starts

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Mariners at A’s odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 2:31 p.m. ET.

  • Moneyline (ML): Mariners -160 (bet $160 to win $100) | A’s +135 (bet $100 to win $135)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+110) | A’s +1.5 (-130)
  • Over/Under (O/U): 8 (O: -115 | U: -105)

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Mariners at A’s picks and predictions

Prediction

Mariners 6, A’s 4

Moneyline

The Mariners are rolling right now, having won 4 straight and 8 of 9. They have beaten the A’s in 15 of the last 17 head-to-head meetings — Seattle won 12 of 13 vs. Oakland last season.

Gilbert has struggled a little bit over the last month, but as mentioned, he is 2-0 with a 3.33 ERA in 9 career starts against the A’s.

It’s right on the edge of where you want to bet in terms of value, but BET MARINERS (-160).

Run line/Against the spread

Seattle has had 4 one-run victories in its last 7 wins, so it’s risky to bet the M’s -1.5 (+110) here.

Three of Oakland’s last 5 losses have been by only 1 run, but I’m not interested in backing the A’s +1.5 (-130) since they’re struggling at the moment.

PASS.

Over/Under

Five of the last 6 meetings between these AL West rivals have had 9 or more total runs.

Gilbert’s ERA over his last 5 starts suggests the A’s will get a few runs. Plus, Seattle finished with 8 in 2 of its 3 wins vs. Oakland this season.

BET OVER 8 (-115).

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Seattle Mariners at Oakland A’s odds, picks and predictions

Analyzing Tuesday’s Seattle Mariners at Oakland A’s odds and lines, with MLB expert picks, predictions and best bets.

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The Seattle Mariners (34-27) and Oakland A’s (24-37) open a 3-game set at Oakland Coliseum Tuesday. First pitch is scheduled for 9:40 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Mariners vs. A’s odds and make our expert MLB picks and predictions for the best bets.

Season series: Mariners lead 2-1

Seattle completed a 3-game home sweep of the Los Angeles Angels, winning 5-1 as a -204 favorite Sunday with the Under (7) hitting. RHP Luis Castillo allowed just 2 hits in 7 shutout innings for the Mariners, who have won 7 of their last 9 games.

Oakland dropped 2 of 3 games at the Atlanta Braves over the weekend. The A’s lost 3-1 as +219 underdogs in the series finale Sunday as the Under (8.5) cashed. The A’s have lost 4 of their last 5 games.

Mariners at A’s projected starters

RHP George Kirby vs. RHP Mitch Spence

Kirby (4-5, 4.08 ERA) makes his 13th start. He has a 1.02 WHIP, 0.8 BB/9 and 8.6 K/9 in 68 1/3 innings.

  • Last start: No-decision, 6 IP, 1 ER, 6 H, 0 BB, 8 K in 2-1 home win in 10 innings over Houston Astros Wednesday
  • 2024 road stats: 0-4, 5.63 ERA (32 IP, 20 ER), 1.22 WHIP, 6.5 K/9 in 6 starts
  • Career vs. A’s: 3-0, 4.19 ERA (34 1/3 IP, 16 ER), 1.28 WHIP, 7.9 K/9 in 6 starts, including 2-0 with 3.86 ERA (14 IP, 6 ER) in 2 starts last season

Spence (4-2, 3.52 ERA) makes his 4th start and 15th appearance. The rookie has a 1.15 WHIP, 2.8 BB/9 and 8.0 K/9 in 38 1/3 innings.

  • Last start: Win, 5 1/3 IP, 0 ER, 1 H, 1 BB, 4 K in 3-0 victory at Tampa Bay Rays May 28
  • 2024 home stats: 2-1, 4.19 ERA (19 1/3 IP, 9 ER), 1.45 WHIP, 9.3 K/9 in 1 start and 6 relief appearances
  • Career vs. Mariners: 0-0, 0.00 ERA (1 IP), 1 H, 0 BB, 0 K in 1 relief appearance of 8-1 road victory May 11

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Mariners at A’s odds

Provided by BetMGM Sportsbook, one of the most popular betting apps; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 4:21 p.m. ET.

  • Moneyline (ML): Mariners -160 (bet $160 to win $100) | A’s +135 (bet $100 to win $135)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (+105) | A’s +1.5 (-130)
  • Over/Under (O/U): 7.5 (O: -120 | U: +100)

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Mariners at A’s picks and predictions

Prediction

Mariners 3, A’s 2

Moneyline

The Mariners (-160) will likely win, but they’re a little overpriced, especially since they’re just 4-8 over their last 12 road games.

PASS. Bet the run line and/or total instead.

Run line/Against the spread

Seattle (-1.5, +105) has struggled away from home recently and hasn’t won a road series since taking 2 of 3 games at the Houston Astros May 3-5. Kirby has been part of the problem, allowing 4 or more earned runs in 3 straight road starts.

Spence has allowed a total of just 3 runs over his 3 career starts (13 IP) and is coming off 5 1/3 shutout innings at Tampa Bay. The rookie should be able to do just enough to keep the A’s within striking distance.

BET A’S +1.5 (-130).

Over/Under

Spence hasn’t allowed more than 2 earned runs in a start, and the Mariners have scored 3 runs or fewer in 4 of their last 5 road games.

The risk here, however, is that Kirby has given up 14 earned runs over his last 3 road starts (17 IP). Oakland’s 27th-ranked offense (3.79 runs per game) may not be able to take advantage, though.

LEAN UNDER 7.5 (+100).

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