Here are some of the people in the sports world celebrating birthdays on December 11:

Stu Jackson
Age: 57
Profession: Retired NBA - NCAA Coach / Executive
Best Known For: The former head coach of the New York Knicks and later of the Vancouver Grizzlies, Stu Jackson is now Executive Vice President of Basketball Operations for the NBA. He is charged with penalizing, suspending and fining players for on-court offenses. Jackson served as head coach at the University of Wisconsin from 1992 to 1994.

Willie McGinest
Age: 41
Profession: Retired NFL Player
Best Known For: A two-time Pro Bowl linebacker, Willie McGinest played for the New England Patriots and Cleveland Browns from 1994 to 2008. McGinest was a member of the Patriots' teams that won Super Bowl XXXVI, XXXVIII and XXXIX. He holds the NFL record for most postseason sacks in a career with 16. McGinest played college football at USC. He was one of a select group of players — Junior Seau and Chris Claiborne among them — to wear jersey number 55 at the school.

Daniel Alfredsson
Age: 40
Profession: NHL Player
Best Known For: Daniel Alfredsson is a right wing with the Ottawa Senators. He has played with the team since 1995. Alfredsson was awarded the Calder Memorial Trophy as the NHL's top rookie in 1996. He has been named to six All-Star teams. Alfredsson holds the Senators' franchise records for goals, assists and points. A native of Sweden, Alfredsson played on his country's national team that won the gold medal at the 2006 Winter Olympics in Turin, Italy.

Shareef Abdur-Rahim
Age: 36
Profession: Retired NBA Player
Best Known For: An All-Star forward, Shareef Abdur-Rahim played for the Vancouver Grizzlies, Atlanta Hawks, Portland Trail Blazers and Sacramento Kings from 1996 to 2008. Abdur-Rahim averaged 18.1 points per game during his NBA career. He was a member of the U.S. men's national basketball team that won the gold medal at the 2000 Summer Olympics in Sydney. He played college basketball at California.

Roy Hibbert
Age: 26
Profession: NBA Player
Best Known For: Roy Hibbert is a center for the Indiana Pacers, for whom he has played since 2008. Hibbert was named to the Eastern Conference All-Star team in 2012. He played himself in an appearance on the NBC comedy show 'Parks and Recreation' in 2011.