Derek Hammond-Stroud is 82 years old (birthdate: January 10, 1929).
He is 22 years old
In life with Derek Lizzie is 11 years old.
As of the 2014 MLB season, Derek Dietrich is 24 years old.
As of the 2014 MLB season, Derek Norris is 25 years old.
Derek Roy is 28 years old (birthdate: May 4, 1983).
Derek Hough is 32 years old (birthdate: May 17, 1985).
Derek Dooley is 49 years old (birthdate: June 10, 1968).
Derek Mountfield is 45 years old (birthdate: November 2, 1972).
Derek Daly is 58 years old (birthdate: March 11, 1953).
Derek Hardman is 25 years old (birthdate: September 13, 1986).
Derek Mooney is 45 years old (birthdate: March 4, 1967).
Derek Harper is 49 years old (birthdate: October 13, 1961).