Red Sox vs. Mariners Dunkel MLB Picks, Predictions and Prop Bets - Sept. 1

The Seattle Mariners will look to snap a five-game losing streak when visiting the Boston Red Sox at 6:45 p.m. ET on Tuesday. Jedixson Paez (0-0, 0.00 ERA) gets the start for the Red Sox, who are 75-63 this season and third in the AL East. Bryan Woo (9-9, 4.36 ERA) is the expected starter for the Mariners, who are 64-74 and third in the AL West.

The bookmakers have spoken, making the Red Sox (-122) a moderate moneyline favorite to beat the Mariners (+103) at home. The over/under for the Red Sox-Mariners game is 7.

Red Sox vs. Mariners Odds, Game Time

• Game day: Tuesday, September 1, 2026
• Game time: 6:45 p.m. ET
• Location: Boston, Massachusetts
• Stadium: Fenway Park
• Favorite: Red Sox (-122)
• Underdog: Mariners (+103)
• Over/under: 7

How to Watch Red Sox vs. Mariners

• TV Channel: NESN and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Red Sox vs. Mariners: Betting the Moneyline

• The Red Sox have a 52-43 record in games they were favored on the moneyline (winning 54.7% of those games).
• Seattle has won in 11, or 33.3%, of the 33 contests it has been named as odds-on underdogs in this year.
• This season Boston has won 44 of its 77 games, or 57.1%, when favored by at least -122 on the moneyline.
• This season, the Mariners have come away with a win six times in 19 chances when named as an underdog of at least +103 or longer on the moneyline.
• The Red Sox have an implied moneyline win probability of 55% in this matchup.
• The Mariners have an implied victory probability of 49.3% according to the moneyline set for this matchup.

Red Sox vs. Mariners: Betting the Spread & Total

• The Red Sox have played in 138 games with a set over/under, and have combined with their opponents to go over the total 64 times (64-69-5).
• Seattle and its opponents have hit the over in 69 of its 138 games with a total this season.
• The Red Sox have a 68-70-0 record against the spread this season (covering 49.3% of the time).
• The Mariners have posted a record of 52-86-0 against the spread this season.