Giants vs Pirates Prediction, Odds, Moneyline, Spread & Over/Under for May 8

Odds updated as of 8:11 a.m.

On Friday in MLB, the San Francisco Giants are playing the Pittsburgh Pirates.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info regarding this matchup.

Giants vs Pirates Game Info

• San Francisco Giants (14-23) vs. Pittsburgh Pirates (21-17)
• Date: Friday, May 8, 2026
• Time: 10:15 p.m. ET
• Venue: Oracle Park -- San Francisco, California
• Coverage: NBCS-BA and SportsNet PT

Giants vs Pirates Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SF: (-122) | PIT: (+104)
• Spread: SF: -1.5 (+176) | PIT: +1.5 (-215)
• Total: 7.5 -- Over: (-115) | Under: (-105)

Giants vs Pirates Probable Starting Pitchers

Probable Pitchers: Robbie Ray (Giants) - 2-4, 2.95 ERA vs Carmen Mlodzinski (Pirates) - 2-2, 4.76 ERA

The Giants will give the nod to Robbie Ray (2-4) against the Pirates and Carmen Mlodzinski (2-2). Ray's team is 3-4-0 against the spread this season in his starts. Ray's team is 1-1 this season when he starts and they're favored on the moneyline. The Pirates have gone 4-2-0 ATS in Mlodzinski's six starts that had a set spread. The Pirates have a 2-2 record in Mlodzinski's four starts this season when they were the moneyline underdog.

Giants vs Pirates Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Pirates win (52.9%)

Giants vs Pirates Moneyline

• Looking at the moneyline for Giants-Pirates, San Francisco is the favorite at -122, and Pittsburgh is +104 playing on the road.

Giants vs Pirates Spread

• The Giants are hosting the Pirates and are favored by 1.5 runs on the spread. The Giants are +176 to cover the runline, with the Pirates being -215.

Giants vs Pirates Over/Under

• The Giants-Pirates contest on May 8 has been given an over/under of 7.5 runs. The over is set at -115 and the under at -105.

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Giants vs Pirates Betting Trends

• The Giants have been chosen as favorites in 12 games this year and have walked away with the win five times (41.7%) in those games.
• San Francisco has a record of 3-2 in contests when sportsbooks favor them by -122 or more on the moneyline.
• The Giants and their opponents have gone over the total this season in 15 of their 37 opportunities.
• In 37 games with a line this season, the Giants have a mark of 15-22-0 against the spread.
• The Pirates have been the underdog on the moneyline 15 total times this season. They've finished 6-9 in those games.
• Pittsburgh has a 4-5 record (winning 44.4% of its games) when it has played as a moneyline underdog of +104 or longer.
• The Pirates have combined with opponents to go over the total 19 times this season for a 19-17-1 record against the over/under.
• The Pirates have put together a 19-18-0 record against the spread this season.

Giants Player Leaders

• Luis Arraez leads San Francisco in slugging percentage (.398) thanks to nine extra-base hits. He has a .316 batting average and an on-base percentage of .340.
• Among the qualified hitters in baseball, his batting average ranks 15th, his on-base percentage ranks 78th, and he is 90th in slugging.
• Casey Schmitt leads San Francisco with 34 hits and an OBP of .344 this season. He's batting .296 and slugging .539.
• Among qualifying batters, he ranks 31st in batting average, 70th in on-base percentage and 21st in slugging percentage.
• Jung Hoo Lee has collected 35 base hits, an OBP of .310 and a slugging percentage of .383 this season.
• Matt Chapman is batting .234 with a .309 OBP and 12 RBI for San Francisco this season.

Pirates Player Leaders

• Brandon Lowe has accumulated 33 hits, a team-best for the Pirates. He's batting .266 and slugging .573 with an on-base percentage of .368.
• Including all the qualified hitters in the big leagues, he ranks 58th in batting average, 43rd in on-base percentage and 10th in slugging percentage.
• Bryan Reynolds' .399 OBP leads his team. He has a batting average of .254 while slugging .410.
• Including all qualifying hitters, he is 78th in batting average, 12th in on-base percentage and 77th in slugging percentage.
• Oneil Cruz has six doubles, nine home runs and 12 walks while hitting .245.
• Ryan O'Hearn's .446 slugging percentage leads his team.

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