At age 36, Sidney Crosby is playing for a singular goal. The Penguins captain measures success in Stanley Cups, and he’s looking for a fourth before he hangs up his skates. As the Penguins enter the All-Star break, Crosby is not only doing his part; he’s earned a place in the Hart Trophy conversation as the NHL player most valuable to his team. Crosby’s pacing the Penguins with more than a point per game, with 50 (27G, 23A) in 46.