X
WATCH & READ
USA basketball teams to stay on cruise ship for Olympics
7:09
Loading
The 2016 Rio Olympics are underway, and there are sure to be many emotional moments in the coming weeks.
But 24 years ago, British sprinter Derek Redmond and his father provided audiences with one of the most heart-wrenching, goosebump-inducing moments in Olympic history.
At the 1992 Barcelona Olympics, Redmond had qualified for the semifinal of the 400m with the fastest time in his heat. He was looking strong when suddenly he pulled up -- his hamstring had torn.