He's thrown a couple of interceptions in the 4th quarter of big games so he has been labeled as a choker. Also the Cowboys haven't had much playoff success mostly because the team around him was s*** before last year, but the QB gets most of the blame in the NFL.
No... it's not tough at all. Buerhle is hurt, hutch has sucked, and Estrada is about to run out of luck any day now. If Stroman really is healthy, it's worth the risk.