 T.J. made his professional debut in the 2007–08 season with the Lake Erie Monsters of the AHL, the Avalanche's affiliate team.Hensick was called up to the Avalanche on November 29, 2007, and made his NHL debut in a 3-2 loss to the San Jose Sharks on November 30, 2007.Hensick, in his second game, scored his first NHL goal against the Los Angeles Kings in a 5-2 win on December 1, 2007.