Guarding Klay Thompson and the rest of the Golden State Warriors, Tony Allen has demonstrated tenacious effort and modelled solid defensive skills for younger players to follow. The Grizzlies have played competitively so far and forced the N.B.A.’s highest scoring team into some poor shooting performances. Guarding the Ballhandler: Allen turns Thompson to the left and keeps his hands active. However, he is not riding his man or reaching down. Instead, Allen reaches for the ball between Thompson’s hand and the floor. He pops it loose from below as it is on the way up, avoiding a foul. Allen is able to tip it …