The Detroit Red Wings goalie Jimmy Howard was injured a knee in practice Wednesday.
Ottawa Senators defenseman Jared Cowen was suspended for two games by the NHL on Wednesday for a hit to the head against Buffalo's Zemgus Girgensons.
Tampa Bay forward Richard Panik was suspended for two games without pay by the NHL for boarding Washington defenseman Karl Alzner.
New York Rangers captain Ryan Callahan will be sidelined for four to six weeks because of a sprained left knee sustained Tuesday night in a 4-1 loss to the Nashville Predators.
NHL commissioner Gary Bettman says he believes players are learning how to hit and check without violating the league's new safety rules.
The Frozen Four will be held at the United Center in Chicago in 2017, the NCAA announced on Wednesday.
Blackhawks goaltender Corey Crawford is out for three weeks, coach Joel Quenneville said after Tuesday's morning skate as the team prepared for its game against the Dallas Stars.
Toronto Maple Leafs captain Dion Phaneuf has been suspended two games for his hit from behind on Kevan Miller of the Boston Bruins.
Marc Staal has been diagnosed with a concussion and will miss his second straight game when the Rangers host the Nashville Predators Tuesday