Detroit was the last team to successfully defend the Cup, winning championships in 1997 and 1998.
In leading the Pittsburgh Penguins to back-to-back NHL Stanley Cup championships - clinched Sunday with a 2-0 game-six win over the Nashville Predators - Crosby was named MVP of the playoffs for a second time in as many years, only adding to his already accomplished legacy.
Penguins goaltender Matt Murray made 27 saves for his second straight shutout. Carl Hagelin (HAG'-lihn) sealed the win by scoring into an empty net with 14 seconds left.
Pekka Rinne stopped 27 shots in defeat. Thanks to one of the more freaky Cup-clinching goals in recent league history, Pittsburgh took the series 4-2 and became the first team to win back-to-back titles in the salary-cap era.
Game 6 was the first of the series to be won by the road team. "I feel fortunate, but I also understand how hard it was so you just want to try to make the best of it".
Murray and the Penguins were at their best shorthanded, as they killed off four Nashville power-play opportunities, including a 5-on-3 in the third period. Sullivan is the first American-born coach to win the Cup not once, but twice.
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He joins Bernie Parent (1974-75) and Penguins co-owner Mario Lemieux (1991-92) as the only players to win them consecutively.
This year marks the second time that the Pens have repeated as champions.
The loss ended the upstart Predators' deepest playoff run in their 19-year history and one that became the talk of the town - and the league. Their Tennessee fans, inspired by the team, throw catfish onto the ice in Game 1 in Pittsburgh.
The Penguins ruined Nashville's star-filled party on the final night of CMA Music Festival to set up another celebration of their own.
"A good chunk of the team were returning but for the new guys it's pretty special", said Crosby.
Penguins captain Sidney Crosby won the Conn Smythe Trophy as the playoff MVP.