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The Seattle Mariners (82-68) take on the Oakland Athletics (46-104) on the road for the middle contest of their 3-game series. First pitch Tuesday at Oakland-Alameda County Stadium is 9:40 p.m. ET. Let’s analyze BetMGM Sportsbook’s ines around the Mariners vs. Athletics odds and make our expert MLB picks and predictions for the best bets.
Season series: Mariners lead 9-1
The Mariners snapped a 3-game losing streak on Monday with a 5-0 shutout of the A’s. Seattle has lost 7 of its last 10 games and trail the AL West-leading Houston Astros by 1 1/2 games, but do currently hold a Wild Card berth.
Oakland has lost 5 in a row and 7 of the last 9 games. They have the worst record in the majors.
Mariners at Athletics projected starters
RHP Luis Castillo vs. RHP Paul Blackburn
Castillo (13-7, 3.08 ERA) makes his 31st start. He has a 1.04 WHIP, 2.3 BB/9 and 9.9 K/9 in 181 1/3 innings.
- Last start: win, 6 IP, 2 ER, 3 H, 3 BB, 8 K in 3-2 home win over Los Angeles Angels last Wednesday
- Has won his last 7 decisions and Mariners have won his last 9 starts
Blackburn (4-5, 4.14 ERA) makes his 19th start and 20th appearance. He has a 1.54 WHIP, 3.6 BB/9 and 9.1 K/9 in 95 2/3 innings.
- Last start: loss, 3 IP, 4 ER, 4 H, 3 BB, 2 K in 6-2 road loss to Houston Astros on Wednesday
- Has not faced Seattle this season
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Mariners at Athletics odds
Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 9:38 a.m. ET.
- Moneyline (ML): Mariners -225 (bet $225 to win $100) | Athletics +180 (bet $100 to win $180)
- Run line (RL)/Against the spread (ATS): Mariners -1.5 (-120) | Athletics +1.5 (+100)
- Over/Under (O/U): 7.5 (O: -105 | U: -115)
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Mariners at Athletics picks and predictions
Prediction
Mariners 4, Athletics 2
Moneyline
The facts: The A’s have the worst record in the majors and the Mariners have won 82 games. Seattle is 9-1 against Oakland. The Mariners have won every 1 of Castillo’s last 9 starts.
But betting the Mariners at -225 on the moneyline isn’t worth the action unless you include it in a leg of a parlay bet.
PASS.
Run line/Against the spread
Six of Seattle’s wins over Oakland have been by 2 or more runs.
The Mariners are only 3-16 ATS in their last 19 games, but 3 of their last 5 wins have been by 2 or more runs.
Oakland’s last 6 losses have been by more than 1 run.
BET MARINERS -1.5 (-120).
Over/Under
Seven of the 10 games between the 2 teams have had 7 or fewer total runs while 3 of Castillo’s last 4 starts have had 7 or fewer total runs and 3 of Blackburn’s last 4 outings have had 7 or fewer total runs.
BET UNDER 7.5 (-115).
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