Baltimore Orioles at Seattle Mariners odds, picks and predictions

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

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The Baltimore Orioles (54-31) and Seattle Mariners (47-40) play the 2nd game of a 3-game set Wednesday. First pitch from T-Mobile Park is scheduled for 10:10 p.m. ET. Let’s analyze BetMGM Sportsbook’s lines around the Orioles vs. Mariners odds and make our expert MLB picks and predictions for the best bets.

Season series: Orioles lead 3-1

The Orioles got back in the win column with a 2-0 victory against the Mariners Tuesday as -101 road underdogs. RHP Grayson Rodriguez gave up just 2 hits in 6 1/3 scoreless innings to pick up the win. RF Anthony Santander singled in the go-ahead run in the 4th, and CF Cedric Mullins extended the lead with a 7th-inning RBI single.

Seattle has lost 3 games in a row after Tuesday’s setback as a -107 home favorite. Mariners 3B Josh Rojas had Seattle’s only 2 hits of the game, while RHP George Kirby allowed 2 ER in 6 1/3 innings and picked up the loss.

Orioles at Mariners projected starters

RHP Dean Kremer vs. RHP Logan Gilbert

Kremer (3-4, 4.32 ERA) makes his 10th start. He has a 1.12 WHIP, 3.2 BB/9 and 8.8 K/9 in 50 innings.

  • Last start: Loss, 4 IP, 5 ER, 6 H, 3 BB, 2 K in 6-3 loss at St. Louis Cardinals May 20
  • Career vs. Mariners: 0-0, 3.13 ERA (23 IP, 8 ER), 0.91 WHIP, 6.7 K/9 in 4 starts, including 0-0 with 3.86 ERA (7 IP, 3 ER) in 1 start last year

Gilbert (5-4, 2.72 ERA) makes his 18th start. He has a 0.88 WHIP, 1.7 BB/9 and 8.2 K/9 in 112 1/3 innings.

  • Last start: No-decision, 6 IP, 2 ER, 4 H, 0 BB, 3 K in 3-2 home win in 10 innings against Minnesota Twins Friday
  • Career vs. Orioles: 1-0, 1.29 ERA (7 IP, 1 ER), 2 H, 1 BB, 5 K in 1 start, a 13-1 road win June 23, 2023

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Orioles at Mariners odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 11:10 a.m. ET.

  • Moneyline (ML): Orioles -105 (bet $105 to win $100) | Mariners -115 (bet $115 to win $100)
  • Run line (RL)/Against the spread (ATS): Orioles -1.5 (+170) | Mariners +1.5 (-210)
  • Over/Under (O/U): 7 (O: -110 | U: -110)

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Orioles at Mariners picks and predictions

Prediction

Mariners 5, Orioles 4

Moneyline

BET MARINERS (-115).

Baltimore has lost 5 of its last 10 games, including 2 of its last 3 on the road. Kremer will be making his first start in more than a month for the Orioles and has struggled previously with a 4.32 ERA. While Seattle has dropped 3 of its last 5 games, Gilbert has been a strong starter for the team. He has a 0.88 WHIP and 2.72 ERA, which will provide the Mariners with the tools they need for the win.

Run line/Against the spread

PASS.

There is no value on the run line in this matchup.

Over/Under

LEAN OVER 7 (-110).

With 2 pitchers who are returning from injury Wednesday, 7 is too low of a line to be comfortable taking the Under. Baltimore has scored 4 or more runs in 4 of its last 7 games while allowing 11 total in its last 2 combined. Seattle has allowed 5 runs in 2 of its last 3 games and scored 3 or more in 7 of its last 9.

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