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.