1. Harmon Killebrew
2. Probably Bryce Harper

Others in the discussion:
- Vern Law, Cy Young/World Series winner
- Dale Murphy, two time MVP
- Wally Joyner, first rookie to make an all star game
- Jack Morris, hall of famer,
- Jeff Kent, most HRs by a 2nd basemen (at the time)
- Ray Halladay, CY Young in both leagues
- Dennis Eckersley, Hall of famer, one of two players to have 20 wins and 50 saves in a season


But Danny Ainge was the BYU GOAT athlete. He was a pro in two sports, could have been a pro in 3 sports. 3 NBA championships, NBA executive of the year, starting PG for what many consider the NBA's greatest team ever (1984-85 Celtics), and set the league record for 3 pointers at the time, making 60% more than the previous record—60%!!!!