Brandon Roy – Minnesota Timberwolves
After five seasons of completely dominating the court, Roy was forced into retirement from a degenerative knee condition. In his career, Roy won the NBA Rookie of the Year Award in a near-unanimous vote. He was selected as a reserve to the 2008, 2009, and 2010 All-Star games. He also played the most minutes of any Western Conference player, and tied for the most points in the West in the 2008 season, and played the most minutes of any player during the 2009 season. He made a comeback in 2012, played for five games, and had to re-retire.
Cam Neely – Boston Bruins
Cam is a Canadian pro ice hockey executive and a former player. He played right wing for the Vancouver Canucks and Boston Bruins from 1983 to 1996. In 2005, Neely was inducted into the Hockey Hall of Fame. He is currently the president of the Boston Bruins. On May 3 of 1991, in game 3, Neely was checked by Ulf Samuelsson, and injured on the play, he was hit again in the knee in game 6. Neely developed myositis ossificans in the injured area. The injury kept him out of all but 22 games of the next two seasons, and for the remainder of his career, he played 162 more NHL games but ultimately had to retire because of the hit causing his knee trouble.