Anthony Robles was a champion wrestler. Now Jennifer Lopez stars in his biopic. Robles breaks down fact vs. fiction in the sports drama "Unstoppable."

How can he be so monstrous and brutal on the mat, but so kind and protective off the mat?” That’s one of the central tensions at play in Unstoppable (now available on Prime Video), William Goldenberg’s directorial debut and an empathetic portrait of Robles that highlights his physical limitations,

Born with only one leg, the wrestler won the 2011 NCAA individual wrestling national championship in the 125-pound weight class.