San Francisco Giants vs San Diego Padres Picks and Prediction for Tuesday March 31 2026
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The San Francisco Giants travel to face the San Diego Padres at Petco Park in San Diego, California, with first pitch scheduled for 9:40 PM on March 31, 2026. The game will be broadcast on MLB.TV. San Francisco enters as the favorite with a moneyline of -143, while San Diego sits at +119. The total is set at 7.5 runs, and the run line shows San Francisco at -1.5 (+123) and San Diego at +1.5 (-149). As you get ready for this matchup, be sure to check out free MLB picks.
Starting Pitching Matchup
The pitching matchup for this game features Logan Webb for San Francisco and German Marquez for San Diego. Logan Webb has already made an early-season start, posting a 0-1 record with a 10.80 ERA and a 2.00 WHIP across 5.0 innings while allowing nine hits and striking out seven. On the other side, German Marquez enters after a 2025 season where he recorded a 3-16 record with a 6.70 ERA, 83 strikeouts, and a 1.71 WHIP, reflecting struggles with run prevention over a full season.
Giants Hoping to Build on a Narrow Victory
The San Francisco Giants come into this game with a 1-3 overall record and a 1-0 mark on the road. Over their last five games, they have had mixed results, recently winning over San Diego but losing three games to New York and splitting another earlier contest. That stretch highlights a team that has struggled to find consistent offensive rhythm but has shown the ability to compete in close games.
From a statistical standpoint, San Francisco is hitting just .143 as a team with 1 run on 13 hits and no home runs. They have posted a .212 on-base percentage and a .176 slugging percentage. On the pitching side, they have a 4.00 ERA and a 1.22 WHIP while allowing opponents to hit .243. They have recorded 29 strikeouts and issued 8 walks, indicating some ability to miss bats despite limited offensive support.
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The biggest concern for San Francisco is clearly their offense. A .143 batting average combined with a .176 slugging percentage shows a lack of production across the board. Even though their pitching has been relatively steady, the inability to generate runs makes it difficult to capitalize on those efforts.
Padres Looking to Respond at Home
The San Diego Padres enter this matchup with a 1-3 overall record and a 1-3 mark at home. Over their last five games, they have struggled to maintain consistency, recently losing to San Francisco and Detroit twice while picking up a win against Detroit and another earlier victory. Their most recent loss to the Giants shows that they are still searching for answers in this series.
San Diego is hitting .204 as a team with 7 runs on 20 hits, including 1 home run. They have posted a .271 on-base percentage and a .276 slugging percentage. On the pitching side, the Padres have a 4.00 ERA and a 1.33 WHIP while allowing opponents to hit .202. They have recorded 32 strikeouts and issued 16 walks, showing some strikeout ability but also control issues.
One of the key weaknesses for San Diego is their control on the mound. With 16 walks issued and a 1.33 WHIP, they have allowed too many baserunners. While their opponent batting average is relatively low, those additional opportunities have made it harder to limit scoring effectively.
San Francisco Giants vs San Diego Padres Picks and Prediction
San Francisco Giants vs San Diego Padres Pick
Pick: San Francisco Giants Moneyline
San Francisco holds a slight edge in this matchup despite their offensive struggles. Their pitching numbers are comparable, but San Diego’s higher WHIP and control issues create additional opportunities for opponents. Additionally, San Francisco already secured a win over San Diego in their most recent meeting, showing they can compete in this matchup. With both teams struggling offensively, the difference in control on the mound could be the deciding factor.
San Francisco Giants vs San Diego Padres Total Pick
Pick: Under 7.5
I’m leaning toward the under in this matchup because both teams have struggled offensively. San Francisco is hitting just .143 with no home runs, while San Diego has a .204 batting average and limited power production. Even though both pitching staffs have allowed some baserunners, the lack of offensive consistency suggests that runs could be limited, keeping this game under the total.
Final Score Prediction
San Francisco Giants 3 – San Diego Padres 2
This prediction was written before the completion of game play on Monday.
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