"I talked to them all yesterday. We changed a couple calls later in the week, I probably wasn't specific enough in the things I was asking them to do," Zimmer said. "The one thing about it is, Xavier and Terence, these guys are as good of people as there is in the world. They're going to do their best every single time. They come out and they work every single day. They study, and they're really good kids. I could have been more specific."