Four separate leagues? Divisional styles develop around NHL

Philadelphia Flyers' Travis Sanheim (6) and New York Rangers' Brendan Lemieux (48) collide during the third period of an NHL hockey game, Wednesday, Feb. 24, 2021, in Philadelphia. (AP Photo/Matt Slocum)

Colorado Avalanche center Pierre-Edouard Bellemare, third from left, battles for control of a loose puck with, from left, Vegas Golden Knights defenseman Dylan Coghlan, goaltender Marc-Andre Fleury, and center Cody Glass in the third period of an NHL hockey game Monday, Feb. 22, 2021, in Denver. (AP Photo/David Zalubowski)

Edmonton Oilers center Connor McDavid (97) and Vancouver Canucks goaltender Thatcher Demko (35) look for the puck during the third period of an NHL hockey game Tuesday, Feb. 23, 2021, in Vancouver, British Columbia. (Jonathan Hayward/The Canadian Press via AP)

Tampa Bay Lightning defenseman Mikhail Sergachev (98) knocks the puck away from Carolina Hurricanes right wing Andrei Svechnikov (37) during the first period of an NHL hockey game Wednesday, Feb. 24, 2021, in Tampa, Fla. (AP Photo/Chris O'Meara)

Toronto Maple Leafs center Auston Matthews (34) watches as the puck gets pass Ottawa Senators goaltender Matt Murray (30) on a shot by Maple Leafs center Joe Thornton, not shown, as Ottawa Senators center Chris Tierney (71) defends during the first period of an NHL hockey game, Thursday, Feb. 18, 2021 in Toronto. (Nathan Denette/The Canadian Press via AP)