“Last year, he came out and he was raring to go,” Sox manager Tony La Russa said. “I think they’re studying, I’m talking about (pitching coach) Ethan (Katz) and (assistant pitching coach) Curt (Hasler), there are times his delivery is a little different. But the most important point to make, with the movement that he has and something besides the fastball that he can throw, he can, and this is something we try to emphasize, just build a repeatable delivery.