Here are some of the people in the sports world celebrating birthdays on September 23:

Marty Schottenheimer
Age: 69
Profession: Retired NFL Cocah
Best Known For: A winner of 200 NFL games as a head coach, Marty Schottenheimer helmed the Cleveland Browns, Kansas City Chiefs, Washington Redskins and San Diego Chargers. He has the most wins of any coach in the Super Bowl era not to have coached in an actual Super Bowl.

Marvin Lewis
Age: 54
Profession: NFL Coach
Best Known For: Marvin Lewis has been the head coach of the Cincinnati Bengals since 2003. He was named NFL Coach of the Year in 2009. Prior to accepting the job with the Bengals, Lewis was the defensive coordinator of the Baltimore Ravens from 1996 to 2001.

Matt Kemp
Age: 28
Profession: MLB Player
Best Known For: A two-time All-Star, Matt Kemp has played for the Los Angeles Dodgers since 2006. He won two Gold Glove Awards and two Silver Slugger Awards, and was the National League home run king in 2011. Kemp dated pop singer Rihanna in 2010.

Joba Chamberlain
Age: 27
Profession: MLB Player
Best Known For: Joba Chamberlain has been a relief pitcher for the New York Yankees since 2007. He was on the Yankees' team that won the 2009 World Series. In the 2007 American League Divisional Series against the Cleveland Indians, Chamberlain was swarmed by small insects while protecting a 1-0 lead in a game. He threw two wild pitches that allowed the tying run to score, with the Yankees eventually losing the game and the series.

Brandon Jennings
Age: 23
Profession: NBA Player
Best Known For: Brandon Jennings is a point guard for the Milwaukee Bucks, with whom he has played since 2009. Jennings was one of the best high school players in the class of 2008. He opted to play for Lottomatica Roma of the Italian league before joining the Bucks.