Here are some of the people in the sports world celebrating birthdays on October 13:

Jerry Rice
Age: 50
Profession: Retired NFL Player
Best Known For: A 13-time Pro Bowl selection, Jerry Rice is widely regarded as the greatest wide receiver in NFL history. Rice played with the San Francisco 49ers, Oakland Raiders, Seattle Seahawks and Denver Broncos from 1985 to 2005. Rice is the all-time NFL leader in receptions, touchdown receptions, and yards. He was a member of the 49ers' teams that won Super Bowl XXIII, XXIV and XXIX, winning the game's Most Valuable Player award in Super Bowl XXIII. He was inducted into the Pro Football Hall of Fame in 2010. Rice competed in the reality TV show 'Dancing with the Stars' in 2005 and 2006.

Trevor Hoffman
Age: 45
Profession: Retired MLB Player
Best Known For: A seven-time All-Star relief pitcher, Trevor Hoffman played for the Florida Marlins, San Diego Padres and Milwaukee Brewers from 1993 to 2010. Hoffman, who used to walk to the mound to AC/DC's "Hells Bells," finished with 601 career saves, ranking second on the all-time MLB list to Mariano Rivera.

Nancy Kerrigan
Age: 43
Profession: Retired Olympic Figure Skater
Best Known For: A two-time Olympic figure skating medalist, American Nancy Kerrigan won the silver medal at the 1994 Winter Olympics in Lillehammer, Norway and bronze at the 1992 Winter Olympics in Albertville, France. Prior to the 1994 Winter Games, Kerrigan was d hit in the right knee with a metal baton by Shane Stant during the U.S. Figure Skating Championships at Cobo Arena in Detroit. It was later uncovered that the assault was planned by Jeff Gillooly, the husband of her figure skating rival Tonya Harding.

Summer Sanders
Age: 40
Profession: Retired Olympic Swimmer / Broadcaster
Best Known For: A four-time medal-winning swimmer at the 1992 Summer Olympics in Barcelona, Summer Sanders won gold medals in the 200-meter butterfly and in the 400-meter medley relay. Since retiring from competitive swimming, Sanders has served as a broadcaster and analyst for the NBA, WNBA and the U.S. Open tennis championships.

Paul Pierce
Age: 35
Profession: NBA Player
Best Known For: Paul Pierce is a forward for the Boston Celtics, with whom he has played since being selected in the first round of the 1998 NBA Draft. Nicknamed 'The Truth,' Pierce is a 10-time NBA All-Star who was a member of the Celtics' team that won the NBA Finals in 2008. Pierce was named the Finals' MVP.