Giants vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for May 30

Odds updated as of 6:11 p.m.

In MLB action on Friday, the San Francisco Giants play the Miami Marlins.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Giants vs Marlins Game Info

• San Francisco Giants (31-25) vs. Miami Marlins (22-32)
• Date: Friday, May 30, 2025
• Time: 7:10 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: MLB Network, FDSFL, and NBCS-BA

Giants vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SF: (-168) | MIA: (+142)
• Spread: SF: -1.5 (-102) | MIA: +1.5 (-118)
• Total: 8.5 -- Over: (-122) | Under: (-100)

Giants vs Marlins Probable Starting Pitchers

Probable Pitchers: Kyle Harrison (Giants) - 0-1, 3.86 ERA vs Cal Quantrill (Marlins) - 3-4, 6.09 ERA

The probable starters are Kyle Harrison (0-1) for the Giants and Cal Quantrill (3-4) for the Marlins. Harrison and his team failed to cover the spread in his only opportunity this season as a starter. Harrison's team lost his only start as a favorite this season. The Marlins have a 7-3-0 ATS record in Quantrill's 10 starts with a set spread. The Marlins have a 6-4 record in Quantrill's 10 starts this season when they were the moneyline underdog.

Giants vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Giants win (55.2%)

Giants vs Marlins Moneyline

• Miami is a +142 underdog on the moneyline, while San Francisco is a -168 favorite on the road.

Giants vs Marlins Spread

• The Marlins are at +1.5 on the runline against the Giants. The Marlins are -118 to cover the spread, and the Giants are -102.

Giants vs Marlins Over/Under

• The over/under for the Giants versus Marlins game on May 30 has been set at 8.5, with -122 odds on the over and -100 odds on the under.

Bet on San Francisco Giants vs. Miami Marlins on FanDuel today!

Giants vs Marlins Betting Trends

• The Giants have won in 21, or 60%, of the 35 contests they have been named as odds-on favorites in this year.
• This season San Francisco has been victorious four times in six chances when named as a favorite of at least -168 on the moneyline.
• The Giants and their opponents have gone over in 27 of their 56 games with a total set by sportsbooks this season.
• The Giants have an against the spread mark of 25-31-0 in 56 games with a line this season.
• The Marlins have compiled an 18-30 record in games they were listed as the moneyline underdog (winning 37.5% of those games).
• Miami is 8-15 (winning only 34.8% of its games) when it has played as a moneyline underdog of +142 or longer.
• The Marlins have had an over/under set by oddsmakers 54 times, and have combined with opponents to go over the total in 32 of those games (32-22-0).
• The Marlins have put together a 30-24-0 record ATS this season (covering 55.6% of the time).

Giants Player Leaders

• Jung Hoo Lee is batting .276 with 14 doubles, two triples, six home runs and 15 walks. He has an on-base percentage of .326 while slugging .444.
• He ranks 44th in batting average, 85th in on-base percentage, and 61st in slugging among all qualifying hitters in MLB.
• Wilmer Flores has four doubles, 10 home runs and 17 walks. He's batting .258 and slugging .429 with an on-base percentage of .323.
• His batting average is 74th among qualified players, his on-base percentage 94th, and his slugging percentage 78th.
• Flores has picked up a hit in four straight games. During his last five outings he is batting .263 with two doubles, a walk and two RBIs.
• Heliot Ramos has a team-high 60 hits to go with a slugging percentage of .486.
• Ramos brings a two-game hitting streak into this game. In his last five games he is hitting .227 with a home run and three RBIs.
• Matt Chapman is batting .224 with a .342 OBP and 25 RBI for San Francisco this season.

Marlins Player Leaders

• Kyle Stowers has put up an on-base percentage of .362, a slugging percentage of .508, and has 55 hits, all club-highs for the Marlins (while batting .291).
• Including all qualifying hitters, he is 23rd in batting average, while his on-base percentage ranks 36th and he is 24th in slugging.
• Eric Wagaman has 11 doubles, a triple, four home runs and 14 walks while batting .255. He's slugging .388 with an on-base percentage of .305.
• He is currently 82nd in batting average, 120th in on-base percentage and 108th in slugging percentage among all qualifying hitters.
• Otto Lopez is batting .239 with six doubles, four home runs and 14 walks.
• Agustin Ramirez is batting .262 with 11 doubles, seven home runs and 10 walks.

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