Johnson, 32, played 21 games with the Washington Capitals, finishing with a record of 12-6-2 during the 2008-09 season. The veteran goaltender recorded a .908 save percentage along with a 2.81 goals-against average.
The 6-3, 199-pound goaltender has played parts of nine seasons in the NHL with the Washington Capitals, Phoenix Coyotes and the St. Louis Blues from 1998-2009. He has appeared in 247 career contests in the NHL, posting a 111-94-12 record. Johnson has a .903 save percentage along with a 2.63 goals-against average for his career.