octavio antonio fernández castro (june 30, 1962 – february 15, 2020), better known as tony fernández, was a dominican baseball shortstop. he played 17 seasons in major league baseball for seven teams. he mainly played for the toronto blue jays. fernández was known for his defensive skills, setting a nine-year record for shortstops with a .992 fielding percentage in 1989, while still holding the single-season fielding percentage record for third basemen with .991 in 1994.