Doc Rivers still hasn't learned the Ryan Rollins lesson staring him in the face

Detroit Pistons v Milwaukee Bucks | Patrick McDermott/GettyImagesWith Kevin Porter Jr. now firmly back in the rotation, Milwaukee Bucks head coach Doc Rivers suddenly has a new problem: how to fit breakout star Ryan Rollins in the rotation. Because he still hasn't learned the obvious lesson staring him in the face: when Rollins plays heavy minutes, Milwaukee competes. When he sits extended stretches, they fall apart.

Just look at the past three games for Rollins. He first played 22 minutes in a losing effort against the Minnesota Timberwolves on December 21, scoring 16 points on good efficiency that ultimately wasn't enough. The next game, he's bumped up to 33 minutes in a win against the…