San Diego Padres vs San Francisco Giants Picks and Prediction for Saturday, September 12, 2026

The San Diego Padres visit the San Francisco Giants on Saturday at Oracle Park, with the opening pitch scheduled for 4:05 PM ET and televised on MLB.TV. San Diego is 78-68, second in the NL West and 11 games behind Los Angeles, while San Francisco is 62-85, fourth in the division and 27.5 games back. The Padres hold the final NL Wild Card spot, with Arizona just a half-game behind. San Francisco has been eliminated from playoff contention. San Diego has won four straight and is 6-4 over its last 10, while the Giants have won three straight and are also 6-4. Cash in a big winner with our free MLB picks.

San Diego Padres Riding a Four-Game Winning Streak

San Diego has responded with four consecutive victories, including a three-game sweep of Washington. The Padres scored 17 runs in that series and allowed only eight, closing it with a 9-2 victory. Fernando Tatis Jr. is batting .284 with a .351 on-base percentage, 20 home runs, 72 RBI and 32 stolen bases. Manny Machado leads San Diego with 26 home runs and 80 RBI, while Jackson Merrill has added 24 homers, 79 RBI and 25 stolen bases.

The Padres are batting .238 with a .315 on-base percentage and .388 slugging percentage, producing 619 runs and 161 home runs. Their pitching has been the stronger part of the club, posting a 3.88 ERA, 1.28 WHIP and .240 opponent batting average. San Diego has also recorded 43 saves and 33 quality starts. 

Injuries: Gavin Sheets and Miguel Andujar are on the 10-day IL. Jeremiah Estrada is on the 15-day IL. Lucas Giolito and Jason Adam are on the 60-day IL.

San Francisco Giants Finding Better Results at Home

San Francisco has won four of its last five games, including three consecutive victories against St. Louis. The Giants scored 14 runs during that sweep, finishing with a 7-6 victory. Rafael Devers remains their top power threat with 35 home runs, 92 RBI, 142 hits and a .518 slugging percentage. Jung Hoo Lee is batting .281 with 142 hits, while Casey Schmitt has produced a .271 average, 21 home runs and 55 RBI.

The Giants own the stronger team batting average at .248 and have a .407 slugging percentage, with 617 runs and 166 home runs. Pitching has been less dependable, with San Francisco posting a 4.34 ERA, 1.36 WHIP and .247 opponent batting average. The Giants have issued 547 walks and struck out 1,099 hitters. San Francisco is 36-36 at Oracle Park and has allowed only 11 runs across its last three victories, including a 2-1 win over St. Louis.

Injuries: Victor Bericoto and Willy Adames are on the 10-day IL. JT Brubaker is on the 15-day IL. Matt Gage is on the 60-day IL. Marcelo Mayer is on the 10-day IL.

Pitching Matchup

San Diego Padres - Michael King

Michael King is 10-9 with a 3.00 ERA and 1.17 WHIP across 168 innings. The right-hander has allowed 130 hits, 66 walks and 18 home runs while recording 144 strikeouts. King has worked the largest workload among Saturday’s starters, and his ability to limit hits has helped him maintain one of San Diego’s strongest season-long ERAs.

San Francisco Giants - César Perdomo

Cesar Perdomo has a 0.90 ERA and 0.80 WHIP across 10 innings. The left-hander has allowed six hits, two walks and one home run while striking out eight. Perdomo has yet to record a decision, but his early numbers include very few baserunners and just one earned run allowed across his innings on the mound.

San Diego Padres vs San Francisco Giants Game Pick

• San Diego Padres

San Diego is the pick with King providing a strong starting point for a club chasing a Wild Card berth. The Padres have won four straight, and King owns a 3.00 ERA with a 1.17 WHIP across 168 innings. San Francisco has also played better recently, but Perdomo has worked only 10 innings despite posting excellent numbers. San Diego’s 3.88 team ERA is also better than San Francisco’s 4.34 mark. With Arizona close behind, the Padres have enough pitching and power to win Saturday.

San Diego Padres vs San Francisco Giants Over/Under Pick

• Under

A lower-scoring game is the better direction with King starting for San Diego and Perdomo showing strong early results for San Francisco. King has allowed 18 home runs over 168 innings while posting a 3.00 ERA, and Perdomo owns a 0.90 ERA through 10 innings. The Padres have surrendered only eight runs across their last three games, while the Giants allowed 11 during their three-game winning streak. Both offenses have power, but the starting pitching numbers make under the play Saturday afternoon.