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Toronto Maple Leafs v Pittsburgh Penguins

PITTSBURGH, PA - JANUARY 31: Sidney Crosby #87 of the Pittsburgh Penguins and General Manager Ray Shero of the Penguins answer reporters' questions during a press conference held before the game between the Toronto Maple Leafs and the Pittsburgh Penguins on January 31, 2012 at CONSOL Energy Center in Pittsburgh, Pennsylvania. Shero and Crosby addressed the media concerning Crosby's injuries. (Photo by Jamie Sabau/Getty Images)

NHL trade deadline: Top 10 GMs to watch

Yahoo Sports

Keep an eye on these 10 NHL general managers on trade deadline day, as they look to turn their contender into a champion – or rebuild for next year.