I dont care if he does. The team needs him now.
I don't think his stuff is right for the pen. He's a four decent pitches type, not a two plus pitches and two show-mes. I don't think he'd be a particularly good reliever, even if he went max-effort. Put otherwise, I think he's a 4-ish ERA starter and also a 4-ish ERA reliever, which isn't enough of a bump off the talent level in house now (early returns notwithstanding) to justify messing with a guy who's developing ok but has a history of arm injuries.