 On July 28, 2010, King was re-signed to a two-year contract extension with the Blues in order to facilitate a trade to the Washington Capitals for Stefan Della Rovere.A free agent during the 2012–13 season, King was signed to a contract with the minor league team, the Ontario Reign of the ECHL on February 20, 2013.Throughout King's career he was a known fighter, through his junior hockey days up to the NHL.