Stephen Boros Jr. (September 3, 1936 – December 29, 2010) was an American baseball infielder, coach, manager, scout, and administrator. Best known for his scientific approach to the sport and his use of computers, Boros' baseball career spanned almost 50 years from his debut as a player for the University of Michigan in 1956 to his retirement in 2004 as an executive with the Detroit Tigers.