The Denver Broncos are back at it. The veterans reported this past Monday for Phase 1 of the offseason training program. Rookie minicamp kicked off on Friday, with the Broncos' seven draft picks showing up, as well as 13 college free-agent signings, and several tryout players. Of all the rookies hitting the roster, fourth-round running back Jonah Coleman seems to have captivated Broncos Country's attention. We heard from Sean Payton on Coleman right after the draft, but after Saturday's practice, the Broncos head coach shared his early impressions of the former Washington standout. "He’s in good shape," Payton said of Coleman. "There are certain things you want to, when you’re in this type of drill setting, you want to give him. Then he’s picked it up well. He’s looked really good.” That should be a very encouraging comment from Payton, as one of the few concerns with Coleman is his weight and overall fitness.…