The 49ers just wrapped up rookie minicamp on Friday. It was a two-day event, which featured a light 60-minute practice on Day 2. The players did not wear pads, and the draft picks did not participate in 7-on-7 team drills, meaning they didn't compete. With that in mind, here are five major takeaways from rookie minicamp. 1. De'Zhaun Stribling might make his earliest impact on special teams. Stribling is big and fast and built like a veteran. I fully expect him to perform well during OTAs, minicamp and training camp, just as Jordan Watkins did last year. Both Watkins and Stribling are 4.3 guys who came to the 49ers from Ole Miss. Unfortunately for Stribling, head coach Kyle Shanahan tends to play rookies on his offense only when he has to. And the 49ers currently have at least three receivers ahead of him on the depth chart -- Mike Evans, Ricky Pearsall and Christian Kirk. If one of those players gets injured, Stribling will have an opportunity to play receiver.…