DETROIT — For J.B. Bickerstaff, identities have shifted.
Maybe reversed.
Two years ago, he guided a youthful Cleveland team that was out-worked, out-rebounded, punked in the paint and ultimately eliminated by the Knicks in the first round.
Bickerstaff’s new squad, the Pistons, also is young and inexperienced but installed physicality at the top of its culture tenets.
