sentences:  He scored his first NHL goal on November 9, 2007, against Jean-Sébastien Giguère of the rival Anaheim Ducks.During that season, Mitchell spent most of his time playing on the third line with Patrick Rissmiller and Mike Grier, becoming a penalty-killing specialist with the Sharks.Mitchell also became a favourite among Shark fans when he scored a memorable goal in a game against the Ducks.