This is big dog business. But LaShawn Merritt is up to the challenge. He's already run 43.6 last year... So what's next? How about 43.18.
DRIVEN: LaShawn Merritt (Episode 2)
Apr 13, 2016
"Sometimes you gotta fall. Sometimes you gotta jump and believe that parachute will open and live your life." - LaShawn Merritt