The Blues’ roster is now set at 23 players.
Porter, 29, dressed in 29 games for the Blues last season. He had two goals and six assists.
The 6-foot-1, 209-pound Porter has 24 points (10 goals, 14 assists) and 27 penalty minutes in 127 career games.
A Toronto native, Porter was originally signed by the Blues as a free agent on Aug. 21, 2007.