Mariners vs. Giants Dunkel MLB Picks, Predictions and Prop Bets - July 18

The San Francisco Giants aim to continue their three-game winning streak when they square off against the Seattle Mariners on Saturday at 8:08 p.m. ET, at T-Mobile Park. Bryan Woo (7-6, 4.23 ERA) gets the start for the Mariners, who are 48-50 this season and second in the AL West. Logan Webb (5-7, 3.86 ERA) is expected to start for the Giants, who are 42-55 and fourth in the NL West.

The oddsmakers have spoken, making the Mariners (-168) a moderate moneyline favorite to beat the Giants (+142) at home. The over/under for the Mariners-Giants game is 7.

Mariners vs. Giants Odds, Game Time

• Game day: Saturday, July 18, 2026
• Game time: 8:08 p.m. ET
• Location: Seattle, Washington
• Stadium: T-Mobile Park
• Favorite: Mariners (-168)
• Underdog: Giants (+142)
• Over/under: 7

How to Watch Mariners vs. Giants

• TV Channel: FOX
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Giants: Betting the Moneyline

• The Mariners have a 44-39 record in games they were listed as the moneyline favorite (winning 53% of those games).
• San Francisco has been underdogs in 58 games this season and has come away with the win 23 times (39.7%) in those contests.
• Seattle is 8-5 this season when entering a game favored by -168 or more on the moneyline.
• This season, the Giants have come away with a win seven times in 10 chances when named as an underdog of at least +142 or worse on the moneyline.
• The Mariners have a 62.7% chance to win this game based on the moneyline's implied probability.
• Bookmakers have implied with the moneyline set for this matchup that the Giants have a 41.3% chance of pulling out a win.

Mariners vs. Giants: Betting the Spread & Total

• The Mariners have played in 98 games with set over/under, and have combined with opponents to go over the total 47 times (47-46-5).
• San Francisco and its opponents have hit the over in 45 of its 96 games with a total this season.
• The Mariners have put together a 38-60-0 record against the spread this season (covering just 38.8% of the time).
• The Giants are 44-52-0 against the spread in their 96 games that had a posted line this season.