Ian Kennedy limited the Giants to two runs over 6 2/3 innings to earn the win Sunday.
Tyson Ross will miss another start after feeling continued soreness in his lower forearm while playing catch Friday.
Kevin Quackenbush had his feet to the fire, but managed to escape the ninth inning with his fifth save as the Padres hung on to beat the Giants on Saturday.
Andrew Cashner flirted with a second consecutive shutout, but settled for allowing two runs in eight-plus innings in Saturday's win over the Giants.
Abraham Almonte left Saturday's game after reinjuring his left ankle.
Odrisamer Despaigne, who shut out the Giants for seven innings Friday, has soreness in his right lat area.
Odrisamer Despaigne limited the Giants to two hits over seven innings in the Padres' 5-0 victory Friday.
The Padres have yet to provide an update on the status of Tyson Ross (shoulder), but it sounds as though he could be shut down for the remainder of the season.
Padres manager Bud Black said after Thursday's game that Robbie Erlin has probablyy earned another start.
Seth Smith went 2-for-4 with an RBI single in his return to the lineup Thursday.
Alexi Amarista continued to torment the Phillies on Thursday, going 2-for-3 with a homer, two RBI and two runs scored.
Tommy Medica went 1-for-3 with a steal in Thursday's win against the Phillies.
Robbie Erlin limited the Phillies to one run over six innings Thursday in a 7-3 victory.
Everth Cabrera (hamstring) is not expected to rejoin the Padres before the end of their homestand on September 24.
The Padres could ease Joaquin Benoit (shoulder) back into game action before using him in save situations.