"He can't skate and he can't rehab yet. So the best thing Brian Campbell figures he can do is be as supportive as he can for his teammates.

''I got to help the guys out as much as I can, anything to keep them up and their spirits up at all times," Campbell said after the Blackhawks defeated the Phoenix Coyotes 2-0 Tuesday at the United Center.

Campbell is out seven to eight weeks after breaking his collarbone and rib when Washington Capitals superstar Alex Ovechkin shoved him into the end boards March 14.

Hits like that and Anaheim Ducks defenseman James Wisniewski's head-high check on Brent Seabrook have come under scrutiny. The NHL's Board of Governors unanimously approved a rule late Tuesday that prohibits hits on unsuspecting players in which the head is targeted or is the major point of contact. "