San Francisco Giants vs Miami Marlins Picks and Predictions for Sunday, June 21, 2026
Use Code WWWC The San Francisco Giants remain on the road Sunday afternoon for a 1:40 PM matchup in Miami, FL, against the Miami Marlins, and we have you ready to roll with our Giants vs. Marlins prediction. San Francisco is 14 games below .500 this season, having lost the last 2 games after dropping both in this series. The Miami Marlins have 39 wins and 38 losses and will remain at home Sunday on a 3-game winning streak after their win on Saturday. Read more about this Giants vs Marlins prediction! Struggling with handicapping? Try our MLB Predictions!
Giants try to salvage the trip
The San Francisco Giants offense has a .258 batting average, and they have scored 313 runs on 670 hits. San Francisco has a .309 OBP and a .420 team slugging percentage. The San Francisco pitching has been bad with a 4.49 team ERA this season, and they have allowed 10 runs through 2 games in this series. Jung Hoo Lee leads the San Francisco offense this season with a .331 batting average. Casey Schmitt has a .293 batting average and leads the team with 16 home runs. Matt Chapman has a .245 batting average and a team-high 41 RBI this year.
Trevor McDonald got the start and took the loss for San Francisco on Saturday, allowing 5 runs on 3 hits over 3 innings. The rest of the San Francisco bullpen allowed 1 run on 3 hits over the final 5 innings. Casey Schmitt led the San Francisco offense on Saturday with 3 hits in 4 at-bats and drove in 2 runs.
Key Injury Report for San Francisco:
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- Joson Foley (60-Day IL)
- Jared Oliva (60-Day IL)
- Tyler Mahle (15-Day IL)
- Heliot Ramos (10-Day IL)
- Keaton Winn (15-Day IL)
Miami looks to stay hot
The Miami Marlins offense has been their biggest strength this season, with a .246 batting average and 328 runs on 619 hits. Miami has a .323 OBP and a .318 slugging percentage. The Miami pitching has been up and down, with a 4.13 team ERA, but they have allowed just 10 total runs across their last 3 wins. Otto Lopez leads the Miami offense this season with a .332 batting average. Liam Hicks has a .278 batting average and leads the team with 13 home runs and 53 RBI's.
Max Meyer got the start and the win for Miami on Saturday, allowing 2 runs on 7 hits over 5 innings. The Miami bullpen combined to allow 1 run on 3 hits over the final 4 innings, as Pete Fairbanks recorded the final 3 outs to secure his 11th save of the year. Heriberto Hernandez led the way for the Miami offense on Saturday, going 1-for-3 with 2 runs driven in. Jakob Marsee added 2 hits in 4 at-bats to drive in 1 run, while Owen Caissie added 1 hit to drive in 1 run.
Key Injury Report for Miami:
- Xavier Edwards (Day-To-Day)
- Eury Perez (15-Day IL)
- Griffin Conin (60-Day IL)
- Janson Junk (15-Day IL)
- Josh Ekness (15-Day IL)
Giants vs Marlins Pick
- Giants vs Marlins Spread Pick
The Miami Marlins are the better team in this matchup and will get the job done on Sunday. Despite the San Francisco pitching edge, Miami will ride its hot hand against a lackluster team. Miami is a potential playoff team and must win home games against bad teams. Look for the Marlins to close out this series with another victory as they take on the Giants on Sunday at home.
- Giants vs Marlins Over/Under Pick
Both teams score well enough, and each will find a ton of success on Sunday. Each pitcher has had their struggles this season, and that will continue in this matchup. Look for both pitchers to give up runs and bunches as both offenses explode Sunday. Take Miami to get the win, but the total will go well over the number as the San Francisco Giants visit the Marlins.
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