Guardians vs Giants Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 18

Odds updated as of 6:13 p.m.

MLB action on Tuesday includes the Cleveland Guardians facing the San Francisco Giants.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital information regarding this game.

Guardians vs Giants Game Info

• Cleveland Guardians (60-65) vs. San Francisco Giants (51-73)
• Date: Tuesday, August 18, 2026
• Time: 6:40 p.m. ET
• Venue: Progressive Field -- Cleveland, Ohio
• Coverage: CleGuardians.TV and NBCS-BA

Guardians vs Giants Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: CLE: (-184) | SF: (+170)
• Spread: CLE: -1.5 (+112) | SF: +1.5 (-134)
• Total: 8 -- Over: (-115) | Under: (-105)

Guardians vs Giants Probable Starting Pitchers

Probable Pitchers: Foster Griffin (Guardians) - 13-4, 3.25 ERA vs Carson Whisenhunt (Giants) - 3-3, 6.11 ERA

The probable pitchers are Foster Griffin (13-4) for the Guardians and Carson Whisenhunt (3-3) for the Giants. Griffin's team is 15-8-0 against the spread in his starts this season. Griffin's team has been victorious in 83.3% of the games he's started as the moneyline favorite with a record of 5-1. The Giants have gone 4-2-0 against the spread when Whisenhunt starts. The Giants are 2-3 in Whisenhunt's five starts this season that they were the underdog on the moneyline.

Guardians vs Giants Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Guardians win (57.2%)

Guardians vs Giants Moneyline

• Cleveland is a -184 favorite on the moneyline, while San Francisco is a +170 underdog on the road.

Guardians vs Giants Spread

• The Giants are at +1.5 on the runline against the Guardians. The Giants are -134 to cover the spread, and the Guardians are +112.

Guardians vs Giants Over/Under

• Guardians versus Giants, on Aug. 18, has an over/under of 8, with the over being -115 and the under -105.

Bet on Cleveland Guardians vs. San Francisco Giants on FanDuel today!

Guardians vs Giants Betting Trends

• The Guardians have been chosen as favorites in 67 games this year and have walked away with the win 31 times (46.3%) in those games.
• Cleveland has played as a favorite of -184 or more just one time this year and came away with a win in that game.
• The Guardians and their opponents have gone over in 58 of their 119 games with a total set by sportsbooks this season.
• The Guardians are 56-63-0 against the spread in their 119 games with a line set by sportsbooks this season.
• The Giants have won 27 of the 77 games they were listed as the moneyline underdog this season (35.1%).
• When playing as a moneyline underdog with odds of +170 or longer, San Francisco has a 2-3 record (winning 40% of its games).
• In the 121 games oddsmakers have set an over/under for the Giants, they have combined with opponents to go over the total 56 times (56-56-9).
• The Giants have gone 55-66-0 ATS this season.

Guardians Player Leaders

• Chase DeLauter leads Cleveland in slugging percentage (.442) and total hits (115) this season. He's batting .285 with an on-base percentage of .358.
• Among qualifying hitters in baseball, his batting average ranks 20th, his on-base percentage ranks 37th, and he is 56th in slugging.
• Jose Ramirez is batting .236 with 19 doubles, 10 home runs and 54 walks. He's slugging .382 with an on-base percentage of .341.
• Among all qualified hitters, he ranks 107th in batting average, 59th in on-base percentage and 114th in slugging percentage.
• Ramirez has picked up a hit in two straight games. In his last five games he is batting .200 with a double, five walks and two RBIs.
• Brayan Rocchio has collected 107 base hits, an OBP of .317 and a slugging percentage of .376 this season.
• Steven Kwan leads Cleveland in OBP (.366) this season, fueled by 106 hits.

Giants Player Leaders

• Jung Hoo Lee has racked up an on-base percentage of .328 and a slugging percentage of .432. Both lead the Giants. He's batting .292.
• Including all the qualified hitters in MLB, his batting average puts him 12th, his on-base percentage is 78th, and he is 62nd in slugging.
• Rafael Devers has 30 doubles, a triple, 25 home runs and 52 walks while batting .246. He's slugging .474 with an on-base percentage of .320.
• Including all qualifying hitters, he is 90th in batting average, 92nd in on-base percentage and 32nd in slugging percentage.
• Willy Adames has 25 doubles, a triple, 19 home runs and 36 walks while batting .224.
• Bryce Eldridge is batting .247 with 15 doubles, 13 home runs and 42 walks.

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