But offensive coordinator Klay Kubiak has the walkie talkie that goes to Brock Purdy’s helmet, and the head coach is watching like a personnel guy might at training camp. For now, the Niners are encouraged with Shanahan’s progress, with the caveat that it hasn't been, and won’t be, linear. Which has now created some opportunity for Kaelon Black to show he’s ready to role as a rookie. Then, behind those guys in the secondary, Morris has really dug in on the development of Renardo Green, who looks ready to take a step. West having a nice start to camp at nose tackle, and third-rounder Romello Height already showing promise.