It is really nice to see Arroyo regain his touch with the breaking pitches. His early struggles were really puzzling to me, given how very very sharp he was with his breaking stuff in spring training.
It could be, I suppose, that when you throw the kind of exotic junk that Bronson does, that when you lose a feel for throwing those pitches (which is another possibilitiy for his ineffectiveness) it can take awhile to get it back and resume previous effectiveness.
I still think this team is much improved when it comes to pitching, and we are starting to see the fruits of that. This season is far from over.