Locke played three seasons in the OHL, winning the Red Tilson Trophy as the league's most outstanding player two years in a row.

During the 2002–2003 season, Locke and Matt Foy formed the most dangerous and dominant tandem in Ontario major junior hockey.

[7] He recorded his first NHL point against the New York Islanders on January 13, 2011, when he assisted on a goal by Ottawa's Nick Foligno.

A free agent at the conclusion of the season in Germany, Locke returned to the American Hockey League, signing a one-year contract with the Chicago Wolves on July 31, 2013.

[9] In October 2014, Locke inked a deal with the Nürnberg Ice Tigers of the German Deutsche Eishockey Liga for the remainder of the 2014-15 season.

On July 13, 2015, Locke continued his European career, agreeing to a one-year deal with Austrian outfit, EC VSV of the EBEL.