National Hockey League roundup

Ruff's four-year contract expired after this season and was not renewed.

The Stars, who won the Central Division last year, missed the playoffs this season with 34-37-11 record.

The Stars' 79 points were their second-lowest total in a non-lockout season since the franchise relocated from Minnesota to Dallas in 1993-94. In 2015-16, the Stars had the Western Conference's best record and reached the Western Conference second round of the Stanley Cup playoffs before losing in seven games to the St. Louis Blues.

Ruff, 57, is fifth in NHL history with 736 wins. He was 165-122-41 in four seasons with the Stars after spending 15 seasons as coach of the Buffalo Sabres.

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Toronto Maple Leafs starting goaltender Frederik Andersen does not have a concussion, though he sat out the Sunday night regular-season finale against the Columbus Blue Jackets.

The Leafs defeated the Pittsburgh Penguins 5-3 on Saturday night when Andersen left the game early in the second period after being knocked to the ice by forward Tom Sestito.

Maple Leafs coach Mike Babcock said Andersen was not experiencing any concussion symptoms. The team recalled goaltender Garret Sparks on an emergency basis from the Toronto Marlies of the American Hockey League to serve as the backup on Sunday.

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The St. Louis Blues recalled defenseman Chris Butler on an emergency basis from the Chicago Wolves of the AHL.

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The New York Rangers recalled goaltender Magnus Hellberg on an emergency basis Sunday from the Hartford Wolf Pack of the American Hockey League.

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The Washington Capitals recalled forwards Garrett Mitchell and Chandler Stephenson from the Hershey Bears of the AHL.

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The Tampa Bay Lightning reassigned forwards Joel Vermin and Michael Bournival to their AHL affiliate, the Syracuse Crunch.

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The Winnipeg Jets reassigned forward Kyle Connor and defenseman Nelson Nogier to the Manitoba Moose of the AHL. (Editing by Andrew Both)