He is 44 years old
Greg Norman is 62 years old (birthdate: February 10, 1955).
Greg Page is 45 years old (birthdate: January 16, 1972).
Greg Rawlinson is 38 years old (birthdate: August 14, 1978).
Greg Bretz is 21 years old (birthdate: December 19, 1990).
Greg Walden is 54 years old (birthdate: January 10, 1957).
Greg Jennings is 28 years old!
Greg Garbowsky is 23 years old. (2009)
As of the 2014 MLB season, Greg Garcia is 24 years old.
As of the 2014 MLB season, Greg Holland is 28 years old.
Greg Norman is 62 years old (birthdate: February 10, 1955).
Greg Maddux is 51 years old (birthdate: April 14, 1966).
Greg Page is 45 years old (birthdate: January 16, 1972).
Greg Strause is 36 years old (birthdate: January 16, 1975).
Greg Carmichael is 64 years old (birthdate: January 1, 1953).
Greg Swindell is 52 years old (birthdate: January 2, 1965).
Greg Lutzka is 25 years old (birthdate: April 20, 1985).
Greg Walden is 54 years old (birthdate: January 10, 1957).