Mariners vs. White Sox Dunkel MLB Picks, Predictions and Prop Bets - May 18

The Seattle Mariners carry a three-game losing run into a home matchup versus the Chicago White Sox, at 9:40 p.m. ET on Monday. Bryan Woo (3-2, 3.91 ERA) gets the start for the Mariners, who are 22-26 this season and third in the AL West. Noah Schultz (2-2, 4.91 ERA) is starting for the White Sox, who are 24-22 and second in the AL Central.

With the White Sox (+138) visiting, the Mariners (-164) are a solid favorite on the moneyline. The total for this contest is 7.5.

Mariners vs. White Sox Odds, Game Time

• Game day: Monday, May 18, 2026
• Game time: 9:40 p.m. ET
• Location: Seattle, Washington
• Stadium: T-Mobile Park
• Favorite: Mariners (-164)
• Underdog: White Sox (+138)
• Over/under: 7.5

How to Watch Mariners vs. White Sox

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

Bet now on FanDuel Sportsbook!

Mariners vs. White Sox: Betting the Moneyline

• The Mariners have a 21-23 record in games they were favored on the moneyline (winning 47.7% of those games).
• Chicago has been pegged as an underdog in 41 games this year and has walked away with the win 22 times (53.7%) in those games.
• Seattle has entered 10 games this season favored by -164 or more and is 5-5 in those contests.
• The White Sox have a mark of 5-6 in contests where bookmakers favor them by +138 or worse on the moneyline.
• The Mariners have an implied moneyline win probability of 62.1% in this game.
• Oddsmakers have implied with the moneyline set for this matchup that the White Sox have a 42% chance of pulling out a win.

Mariners vs. White Sox: Betting the Spread & Total

• In the 48 games in which bookmakers have set an over/under for the Mariners, they have combined with opponents to go over the total 22 times (22-25-1).
• Chicago's games have gone over the total in 27 of its 46 chances.
• The Mariners have put together a 17-31-0 record ATS this season (covering only 35.4% of the time).
• In 46 games with a line this season, the White Sox have a mark of 27-19-0 against the spread.