The San Francisco Giants host the San Diego Padres on Saturday, September 12, 2026, at Oracle Park, with first pitch scheduled for 4:05 PM ET. San Francisco will hand the ball to right-hander Cesar Perdomo, who draws a tough assignment against Michael King and a Padres lineup that has made life difficult for NL West rivals all season. With September baseball in full swing and every game carrying added weight in the standings, this divisional showdown at Third and King is one the Giants need to take seriously.

Giants vs. Padres Pitching Matchup: Perdomo vs. King

Cesar Perdomo gets the start for San Francisco. The young pitcher has an opportunity to make a statement in a high-profile divisional game at home, and how he handles the San Diego lineup will be the central story of the afternoon. Michael King takes the mound for the Padres. King has established himself as one of the more reliable starters in San Diego's rotation, and Giants hitters will need to be disciplined and patient to manufacture offense against him.

San Francisco Giants Starting Lineup

• 1. Drew Gilbert, CF
• 2. Rafael Devers, DH
• 3. Bryce Eldridge, 1B
• 4. Jonah Cox, 2B
• 5. Turner Hill, LF
• 6. Jung Hoo Lee, RF
• 7. Shay Whitcomb, 3B
• 8. Drew Cavanaugh, C
• 9. Christian Koss, SS

Three Keys to Watch at Oracle Park

1. How Long Can Perdomo Sustain His Effectiveness?

Perdomo's ability to work deep into the game matters here. If the Giants starter gets pulled early, the bullpen faces a long afternoon against a dangerous San Diego offense. Keeping the Padres off the bases in the middle innings is the assignment.

2. Rafael Devers and Bryce Eldridge Setting the Table

Hitting second and third in the order, Devers and Eldridge represent the heart of San Francisco's offensive threat. If the Giants are going to get to King, those two bats will need to do damage when it counts. Eldridge, in particular, has the power to change a game with one swing inside Oracle Park's dimensions.

3. Drew Gilbert Leading Off

Gilbert at the top of the order gives the Giants a spark plug. His ability to get on base and create pressure early forces the opposing pitcher to work from the stretch and can set the tone before the lineup's run producers come to the plate.

Prediction

This is a winnable game for San Francisco, but Michael King is not a pitcher you can take lightly. The Giants' lineup has enough firepower, particularly in the two through four spots, to generate runs at Oracle Park. If Perdomo can give the Giants five or six solid innings and limit the damage, the home crowd gets a late-season divisional win. Giants 4, Padres 3.

Coverage begins on NBCS BA on television and KNBR 680 on the radio.