The Stanley Cup Playoff battles intensify, as do the stakes on the rulings on and off the ice.  No goal after skate contact in Calgary -- we break down the play and what the refs and the Situatiom Room were looking at.  A pair of goaltender collisions with different outcomes: nothing for Kadri, 5 and a game for Lucic. Plus Florida challenges Tampa twice and the Rangers lose a go-ahead goal on a Canes challenge. Visit www.scoutingtherefs.com and follow @scoutingtherefs and @toddlewissports. 

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