Halladay allowed five runs in just 4 1/3 innings.
Freddy Galvis was the offensive star, going 3-for-3 with two RBIs and a home run.
The Padres carried an 8-0 lead into the bottom of the fifth.
Red Sox offense leads them to sweep of Padres
Red Sox pick up eighth walk-off win of season
The Red Sox took the first of three against the Padres
The Phillies used an eighth-inning rally and the help of two errors by the home team in the 13th inning to defeat the Padres in San Diego Wednesday, 7-5.
Domonic Brown hit his 20th home run of the season Tuesday night as the Phillies defeated the San Diego Padres, 6-2.
The Phillies took a 3-0 lead into the bottom of the ninth. But that’s when the trouble started for the visitors.
There was nothing aesthetically pleasing about the Mets’ 11-2 Opening Day win over the Padres at Citi Field.