On the N.H.L.’s Playoff Ice, Injuries Are Risen Above. Hockey, Ice, Sports Injuries, Playoff Games, Crosby, Sidney, Couture, Logan, Karlsson, Erik, Laperriere, Ian, Lemieux, Mario, Thornton, Joe (1979- ), Ovechkin, Alex (1985- ), Ottawa Senators, Pittsburgh Penguins, San Jose Sharks