AP -- Offense from defensemen is a key factor that could determine the results of the NHL semifinals. The Vegas Golden Knights and New York Islanders took the lead in their respective series with production from their blue line. The Tampa Bay Lightning evened their matchup against the Islanders by responding in kind.

Get our free mobile app

The Montreal Canadiens tied Vegas after getting defenseman Jeff Petry back from injury and three assists from their blue line. The Golden Knights are predicated on defensemen joining the offensive attack.

ALSO: Former Minnesota Twins All-Star's Home for Sale - Complete With Brewery