Longest suspensions in NHL history

Calgary Flames defenseman Dennis Wideman was suspended 20 games without pay Wednesday by the NHL for abuse of officials during a game against the Nashville Predators on Jan. 27.
It's the longest suspension by the NHL since Raffi Torres of the San Jose Sharks was suspended 41 games Oct. 5, 2015 for a hit on the Anaheim Ducks' Jakob Silfverberg during a preseason game Oct. 3.

Here are the longest suspensions in NHL history by number of games served:
41 games: Raffi Torres, San Jose Sharks, Oct. 5, 2015 for a hit on the Anaheim Ducks' Jakob Silfverberg on Oct. 3.
30 games: Chris Simon, New York Islanders, Dec. 19, 2007, for stepping on the foot of Pittsburgh Penguins forward Jarkko Ruutu.
25 games: Jesse Boulerice, Philadelphia Flyers, Oct. 12, 2007, for cross-checking Vancouver Canucks center Ryan Kesler in the face in a game on Oct. 10.
25 games: Chris Simon, New York Islanders, March 11, 2007, for the rest of the regular season (15 games) and Stanley Cup Playoffs for swinging his stick and hitting New York Rangers forward Ryan Hollweg in the face. Since the Islanders played five playoff games, the suspension extended to first five games of the 2007-08 season.
23 games: Marty McSorley, Boston Bruins, February 2000, for hitting Donald Brashear of the Vancouver Canucks in the head with his stick. On Nov. 7, 2000, the suspension was extended by NHL Commissioner Gary Bettman to Feb. 20, 2001. McSorley did not play another NHL game.
21 games: Raffi Torres, Phoenix Coyotes, April 21, 2012, for a hit on Chicago Blackhawks forward Marian Hossa on April 17.
21 games: Dale Hunter, Washington Capitals, May 1993, for a hit on Pierre Turgeon of the New York Islanders after a goal during a playoff game.