I don't think that was what made him good, I don't think he's ever really been a top shot stopper, his biggest assets have always been his presence and his ability to sweep behind the defense. As someone mentioned to me yesterday, the defensive system is different now to what he was used to under Rafa, we played Zonal Marking for years and although it was flawed, he was clearly more comfortable within that set up. It's also worth saying that he's not as protected as he once was, by a settled back four and a overly defensive central midfield. We're more exposed these days and it's already cost Carra his place and now it seems it's showing Reina to be uncomfortable too.