We all stand corrected, that game was played at Citizens' Bank, which makes it all even more confusing, so i went to Gameday and tried to look for an explanation to Penny's dominance and i found one factor that stood out.
6 warning track shots and an incredible amount of pop-outs and groundouts.
So a measure of luck was indeed involved.
There was nothing different about his velocity, pitch location or pitch selection that would indicate an "improvement", in fact , a lot of pitches right down the heart of the plate were either ignored or popped-up.
The man was living middle-high in on Howard, Victorino, Rollins, Utley and Ibanez with his pencil fastball and no one made him pay.