Here are some of the people in the sports world celebrating birthdays on October 31:

Frank Shorter
Age: 65
Profession: Retired Olympic Runner
Best Known For: Winner of the gold medal in the marathon at the 1972 Summer Olympics in Munich, American distance runner Frank Shorter also won a silver medal in the event at the 1976 Summer Games in Montreal. Shorter's win in Munich helped establish running as an everyday activity for Americans.

Nick Saban
Age: 61
Profession: Football Coach
Best Known For: One of the most successful contemporary college football coaches, Nick Saban is the head coach of the University of Alabama football team. He previously coached at LSU, Michigan State and Toledo and for the Miami Dolphins in the NFL. Saban won the 2003 BCS National Championship with LSU and the 2009 and 2011 titles with Alabama.

John Lucas
Age: 59
Profession: Former Basketball Coach / Retired NBA Player
Best Known For: A consistent scoring guard during his 14-year NBA career, John Lucas played for six teams from 1976 through 1990, including three stints with the Houston Rockets, who selected him with the first-overall pick of the 1976 NBA Draft. Lucas' drug problems may have kept him from true greatness on the court. After retiring as a player, Lucas coached several teams, including the San Antonio Spurs, Philadelphia 76ers and Cleveland Cavaliers.

Fred McGriff
Age: 49
Profession: Retired MLB Player
Best Known For: A five-time All-Star first baseman, Fred McGriff played for six teams during his major league career from 1986 to 2004. He finished his career with 493 home runs. McGriff won three Silver Slugger Awards as the best offensive player in the league at his position. He was on the Braves' team that won the World Series in 1995.

Mike Napoli
Age: 31
Profession: MLB Player
Best Known For: Mike Napoli is a catcher for the Texas Rangers. Napoli debuted with the Los Angeles Angels of Anaheim in 2006. He was traded to the Toronto Blue Jays and then to the Rangers in 2011. Napoli was named an American League All-Star in 2012.