Panthers D-man Willie Mitchell being forced to retire?

The Florida Panthers do not expect captain and two-time Stanley Cup winner Willie Mitchell to return next season, and one of his closest friends indicated that his career is over. Mitchell, who has had at least three concussions, missed the final 42 games this season.

from CBC | NHL News http://www.cbc.ca/sports/hockey/nhl/willie-mitchell-panthers-retirement-looming-1.3553877?cmp=rss
via CBC