Marlins vs Giants Prediction, Odds, Moneyline, Spread & Over/Under for June 20

Odds updated as of 3:12 p.m.

The Miami Marlins will take on the San Francisco Giants in MLB action on Saturday.

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

Marlins vs Giants Game Info

• Miami Marlins (38-38) vs. San Francisco Giants (31-44)
• Date: Saturday, June 20, 2026
• Time: 4:10 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: Marlins.TV and NBCS-BA

Marlins vs Giants Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-144) | SF: (+122)
• Spread: MIA: -1.5 (+146) | SF: +1.5 (-178)
• Total: 8 -- Over: (-110) | Under: (-110)

Marlins vs Giants Probable Starting Pitchers

Probable Pitchers: Max Meyer (Marlins) - 7-0, 2.75 ERA vs Trevor McDonald (Giants) - 2-4, 4.64 ERA

The Marlins will look to Max Meyer (7-0) against the Giants and Trevor McDonald (2-4). When Meyer starts, his team is 10-5-0 against the spread this season. Meyer and his team have won each of the nine games he's started as the moneyline favorite. When McDonald starts, the Giants have gone 5-3-0 against the spread. The Giants have been the moneyline underdog in eight of McDonald's starts this season, and they went 4-4 in those games.

Marlins vs Giants Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (56.1%)

Marlins vs Giants Moneyline

• Looking at the moneyline for Giants-Marlins, San Francisco is the underdog at +122, and Miami is -144 playing at home.

Marlins vs Giants Spread

• The Marlins are 1.5-run home favorites on the runline against the Giants. The Marlins are +146 to cover, and the Giants are -178.

Marlins vs Giants Over/Under

• Marlins versus Giants on June 20 has an over/under of 8 runs, with the odds on the over -110 and the under set at -110.

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

Marlins vs Giants Betting Trends

• The Marlins have been chosen as favorites in 32 games this year and have walked away with the win 23 times (71.9%) in those games.
• This season Miami has come away with a win six times in eight chances when named as a favorite of at least -144 on the moneyline.
• The Marlins' games have gone over the total in 41 of their 75 opportunities.
• The Marlins are 37-38-0 against the spread in their 75 games that had a posted line this season.
• The Giants have won 17 of the 47 games they were the underdog on the moneyline this season (36.2%).
• When it has played as a moneyline underdog with odds of +122 or longer, San Francisco has a record of 8-7 (53.3%).
• The Giants have combined with opponents to hit the over on the total 35 times this season for a 35-34-4 record against the over/under.
• The Giants have a 31-42-0 record against the spread this season (covering 42.5% of the time).

Marlins Player Leaders

• Liam Hicks leads Miami in total hits (69) this season while batting .278 with 21 extra-base hits. He has an on-base percentage of .359 and a slugging percentage of .472.
• He ranks 37th in batting average, 40th in on-base percentage, and 42nd in slugging among all qualifying batters in the majors.
• Hicks hopes to build on a 10-game hitting streak in this matchup. In his last 10 outings he is batting .357 with two doubles, a triple, a home run, four walks and six RBIs.
• Otto Lopez has hit five homers this season while driving in 32 runs. He's batting .334 this season and slugging .470 with an on-base percentage of .367.
• He is first in batting average, 31st in on-base percentage and 46th in slugging in the major leagues.
• Xavier Edwards leads Miami with an OBP of .375 this season while batting .291 with 39 walks and 43 runs scored.
• Jakob Marsee is batting .203 with a .328 OBP and 18 RBI for Miami this season.
• Marsee heads into this game on a four-game hitting streak. In his last five games he is batting .200 with a home run, a walk and an RBI.

Giants Player Leaders

• Luis Arraez has a team-best .445 slugging percentage. He's batting .321 with an on-base percentage of .354.
• Including all qualifying hitters in MLB, he ranks fourth in batting average, 48th in on-base percentage and 64th in slugging percentage.
• Jung Hoo Lee has a .359 on-base percentage to pace his team. He has a batting average of .328 while slugging .453.
• Including all qualified hitters, he ranks second in batting average, 40th in on-base percentage and 53rd in slugging percentage.
• Casey Schmitt has collected 77 hits, a team-best for the Giants.
• Matt Chapman has 17 doubles, a triple, seven home runs and 33 walks while batting .249.

Marlins vs Giants Head to Head

• 6/19/2026: 4-3 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/26/2026: 6-3 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 4/25/2026: 6-2 SF (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 4/24/2026: 9-4 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 6/26/2025: 12-5 MIA (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 6/25/2025: 8-5 MIA (Favorite: Giants, Spread: -1.5, Total: 6.5, Favorite Moneyline: -225, Underdog Moneyline: +188)
• 6/24/2025: 4-2 MIA (Favorite: Giants, Spread: -1.5, Total: 8, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 6/1/2025: 4-2 SF (Favorite: Giants, Spread: -1.5, Total: 8, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 5/31/2025: 1-0 MIA (Favorite: Giants, Spread: -1.5, Total: 7.5, Favorite Moneyline: -146, Underdog Moneyline: +124)
• 5/30/2025: 2-0 SF (Favorite: Giants, Spread: -1.5, Total: 8.5, Favorite Moneyline: -164, Underdog Moneyline: +138)

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