That’s what we’re here for every day,” Belichick said Wednesday when asked about the importance of depth and the process of building it. “Everybody that’s here – the players on the active roster, the players on the practice squad, even players in training camp that aren’t here – they’ve all been coached, they’ve worked, they’ve prepared and some of them get a chance to play, some of them don’t and then over the course of the year, sometimes that changes. Everybody here is working on a daily basis trying to get better. "Who knows exactly how the wheel is going to spin, who is going to be where, but we all have to prepare for that.