"It's been real surprising, his command, with the extra rest, but I think we're far enough into the season," Showalter said. "Every pitcher would like to get an extra day. … There's some parts of the year where you really benefit from extra rest and there's certain parts where it's not beneficial. He got off to a pretty good start this year. I kind of like the way it's been handled. It feels like he's been getting stronger as we've moved forward. The challenge is keeping it that way, and not jeopardizing the success he's having."