Greatest horse of all time

American Pharoah Vs. Secretariat: Who Would Win?
Nyquist is undefeated, and his time was 201.3 seconds. Secretariat would have beat him. Big Red's time was 159.2 -- not even close. Nyquist's time is a world record that still stands 30 years later.
Last year, American Pharoah won the Triple Crown...