Seattle Mariners at Oakland Athletics odds, picks and predictions

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

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The Seattle Mariners (81-68) and Oakland Athletics (46-103) open a 3-game set Monday at Oakland Coliseum. First pitch is scheduled for 9:40 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines 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 lost 6-1 as -173 home favorites vs. the Los Angeles Dodgers as the Under (7.5) cashed Sunday. Seattle has lost 3 straight and is 1 game back of the Texas Rangers for the final AL Wild Card.

The Athletics lost 10-1 as +147 home underdogs vs. the San Diego Padres as the Over (9) hit Sunday. Oakland has lost 4 straight games and is long eliminated from postseason contention.

Mariners at Athletics projected starters

RHP Bryan Woo vs. LHP JP Sears

Woo (3-4, 4.16 ERA) makes his 16th start. The rookie has a 1.15 WHIP, 2.6 BB/9 and 9.0 K/9 in 75 2/3 innings.

  • Last start: Win, 5 2/3 IP, 0 ER, 4 H, 0 BB, 8 K in 8-0 home victory vs. Los Angeles Angels Tuesday
  • 2023 road stats: 1-2, 4.50 ERA (44 IP, 22 ER) in 9 starts
  • Career vs. Athletics: Win, 6 IP, 0 ER, 3 H, 1 BB, 5 K in 1 start, a 7-0 home victory Aug. 28

Sears (5-11, 4.45 ERA) makes his 30th start. He has a 1.23 WHIP, 2.6 BB/9 and 8.2 K/9 in 157 2/3 innings.

  • Last start: Win, 6 IP, 2 ER, 5 H, 2 BB, 3 K in 6-2 victory at Houston Astros Tuesday
  • 2023 home stats: 2-5, 4.76 ERA (70 IP, 37 ER) in 13 starts
  • 2023 vs. Mariners: 0-0, 0.82 ERA (11 IP, 1 ER) in 2 starts — Most recent: No-decision, 5 IP, 1 ER, 3 H, 0 BB, 1 K in 3-2 road loss May 25
  • Career vs. Mariners: 2-0, 0.67 ERA (27 IP, 2 ER) in 4 starts and 1 relief appearance

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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 12:49 p.m. ET.

  • Moneyline (ML): Mariners -185 (bet $185 to win $100) | Athletics +150 (bet $100 to win $150)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (-105) | Athletics +1.5 (-115)
  • Over/Under (O/U): 7.5 (O: -105 | U: -115)

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Mariners at Athletics picks and predictions

Prediction

Mariners 3, Athletics 2

Moneyline

The Mariners (-185) should beat the Athletics for the 10th time in 11 tries this season. However, the price on Seattle ML is too high.

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

Run line/Against the spread

Sears has been dominant vs. the team that drafted him and should continue to give the Mariners fits. He has recorded a win in 3 straight starts overall while allowing 2 or fewer runs each time out.

The Mariners have lost 7 of their last 9 games and seem to be cooling down after posting one of the best records in MLB after the All-Star break.

BET ATHLETICS +1.5 (-115).

Over/Under

The Under has hit in 3 of the last 4 Mariners games as Seattle’s offense continues to struggle, averaging just 2.25 runs per game over that stretch. With Sears facing the team that drafted him and Woo coming off one of the best starts of his career, I like the total to stay UNDER 7.5 (-115).

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