Ideally, your bullpen would have a top notch closer and three reliable set up men. (Even then , you are going to blow one sometimes.) Presently,the Sox bullpen does not have that luxury. Cora does a very good job of utilizing what he has . But it's a little like Russian Roulette . Sometimes it works, but occasionally it doesn't . Second guessing is easy when it doesn't work . Anyone can do better. That's what we all like to think. But all in all, Cora has done very well with it.