The Chicago Blackhawks' quest just to qualify to defend their Stanley Cup title drew tighter as the Montreal Canadiens booked their return to the playoffs. P.K. Subban scored a power-play goal at 1:19 of overtime and Montreal clinched its fourth straight playoff trip with a 2-1 win over Chicago on Tuesday night. Read more: http://sports.espn.go.com/nhl/recap?gameId=310405010