Stefan Andrew Karsay
- Bats Right, Throws Right
- Height 6' 3", Weight 210 lb.
- High School Christ the King Regional High School
- Debut August 17, 1993
- Final Game June 17, 2006
- Born March 24, 1972 in Flushing, NY USA
Steve Karsay originally signed a letter of intent with Louisiana State University prior to being selected 22nd overall drain the 1990 amateur draft and being handed a $325,000 signing bonus by the Toronto Blue Jays. Once in the minors, Karsay appeared in only 5 games (23 innings with an ERA of 0.79) for the St. Catharines Blue Jays in 1990 before being named the New York-Penn League's best pitching prospect.