A nine-time Wimbledon singles champion, Martina Navratilova played in the tournament in 2004 at age 48.
Hockey great Gordie Howe compiled a career that stretched over parts of five decades, from 1946-1980. He also came back in 1997, signing a one-game contract with the Detroit Vipers of the IHL at 69 years old.
Kevin Willis (42), shown celebrating with Malik Rose after the San Antonio Spurs won the 2003 NBA title, played for 22 seasons, capping his career with five games with the Dallas Mavericks in 2006, at the age of 44.
George Blanda played a record 26 seasons in pro football as a kicker and quarterback with five different teams. He retired as an Oakland Raider in 1976 at age 48.
Satchel Paige, left, shown with legendary catcher Josh Gibson, in 1942, played baseball on various levels from 1926-1966. His last game as a professional came for the Peninsula Grays at the age of 59.
Tampa Bay Lightning goalie Dwayne Roloson is the oldest active player in the NHL at age 42, and the last active NHL player to be born in the 1960s.
Kurt Thomas of the Portland Trail Blazers is the oldest active player in the NBA, at 39. He is in his 16th season in the league.
Omar Vizquel, 44, made the Toronto Blue Jays roster in 2012 and will play his 24th season in professional baseball. He has won 11 Gold Gloves as a shortstop and compiled more than 2,800 hits.