Denver Broncos rookie minicamp is in the books. The coaching staff had its first opportunity to get hands on the draft class and 13 college free-agent signings the Broncos made. This was a camp, but it wasn't a training camp. There was no contact and the time spent on the field was relatively limited. Still, there were a few big winners coming out of the weekend. Let's talk about them. Caleb Lohner | TE Lohner isn't a rookie, but since he spent his actual rookie season entirely on the practice squad, he still qualified as a "first-year" player. He was the talk of the town this weekend. "I’ll tell you who stood out, Caleb," head coach Sean Payton said on Saturday . "He looks entirely different in this camp. Now he was here in this camp a year ago as a draft pick, but he stood out.” Lohner had become almost an afterthought in the post-draft projections of the Broncos' tight end competition.…