Seattle Mariners at Oakland Athletics odds, picks and predictions

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

The Seattle Mariners (81-65) and Oakland Athletics (53-94) swing into a 3-game set Tuesday at Oakland Coliseum, starting at 9:40 p.m. ET. Let’s analyze Tipico Sportsbook‘s lines around the Mariners vs. Athletics odds with MLB picks and predictions.

Season series: Seattle leads 8-5. Over the last 2 seasons, the Mariners are a combined 23-9 against Oakland.

The Mariners have lost 3 of their last 4 and are just 4-6 over their last 10. Seattle won at the Los Angeles Angels 9-1 Monday to avoid a 4-game sweep.

The Athletics were idle Monday. They are back in Oakland after a 2-4 road trip. But home has not exactly been kind to these A’s: The club is 6-15 with a .587 OPS over its last 21 games at the Oakland Coliseum.

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Mariners at Athletics projected starters

RHP Luis Castillo vs. LHP J.P. Sears

Castillo (7-5, 2.68 ERA) is tabbed for his 23rd start of the season. He has a 1.06 WHIP, 2.6 BB/9 and 10.0 K/9 through 134 1/3 IP.

  • Struggled in only other career appearance at Oakland Coliseum, allowing 4 runs in 5 innings on 8 hits and 1 walk in 5-3 loss Aug. 21
  • Has clocked a 2.11 ERA over last 7 starts
  • Season ERA and WHIP figures are would-be career bests

Sears (5-2, 3.90 ERA) has made 9 starts among 14 appearances. He has a 1.30 WHIP, 2.6 BB/9 and 5.9 K/9 through 55 1/3 IP.

  • Owns a 3.89 ERA as a starter
  • Went 5 strong innings against Seattle (and Castillo) Aug. 21, notching the win: Allowed 1 run on 6 hits and a walk with 3 K’s
  • Struggled mightily over last 2 starts: 0-1, 16.50 ERA (6 IP, 11 ER), 5 HR allowed

Mariners at Athletics odds

Provided by Tipico Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 2:08 p.m. ET.

  • Money line: Mariners -220 (bet $220 to win $100) | Athletics +175 (bet $100 to win $175)
  • Run line (RL)/Against the spread (ATS): Mariners -1.5 (-117) | Athletics +1.5 (-103)
  • Over/Under (O/U): 6.5 (O: -135 | U: +110)

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Mariners at Athletics picks and predictions

Prediction

Athletics 5, Mariners 4

Money line

The Mariners have lost 4 straight series openers. It’s tough to go all-in on Sears right about now, but consider an Oakland play if the tag hits +185 or better. Otherwise, STEER CLEAR.

Run line/Against the spread

PASS: Would rather chance the bigger payday on the Oakland ML.

Over/Under

Castillo has the tendency of struggling a bit in the back half of 2 straight starts on the road, and these A’s had him clocked the first time they faced him.

Both Castillo and Sears have their numbers tamped down a bit by some generous clutch pitching results.

Some 2-sided regression and a batter’s breeze in the forecast is enough to tilt this one off its 6.5-run axis. TAKE OVER 6.5 (-135).

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