By Jacob UnruhStaff writerjunruh@oklahoman.comARLINGTON, Texas — Three summers ago, there was no playbook. Only a single play.Cade Cunningham and the pick and roll.If his 16-and-under AAU basketball team was in half-court offense, Cunningham had to wait for a screen, then make a decision.Over and over and over and over.“Oh my God, I almost got tired of ball screens,” Cunningham said.Read more on NewsOK.com