Esteban Manuel Antonio Castillo Cabrera is a Dominican former Major League Baseball third baseman. He batted and threw right-handed, and was 5 foot 9. Castillo played 3 seasons in Major League Baseball, with the Kansas City Royals in 1980 and the Seattle Mariners in 1982 and 1983. He played in 236 games in his career, with a batting average of .242 with 174 hits in 719 at-bats. He had 3 stolen bases, 3 home runs, 73 RBI and 63 runs.