Upshall, 31, dressed in 63 regular season games with the Florida Panthers last season, posting 15 points (eight goals, seven assists) and 28 penalty minutes.
The 6-foot, 200-pound forward is a veteran of 12 NHL seasons, which includes stints with Florida, Columbus, Phoenix, Philadelphia and Nashville. Overall, the Fort McMurray, Alberta, native has accumulated 234 points (115 goals, 119 assists) and 480 penalty minutes in 553 career regular season games, as well as 10 points (four goals, six assists) and 48 penalty minutes in 26 career postseason games.
Upshall was originally drafted by Nashville in the first round (sixth overall) of the 2002 NHL Entry Draft.