蜜芽传媒

Baltimore Ravens offensive guard John Urschel talks about two passions in life, the NFL and mathematics! He explained to Sportshour's Caroline Barker how his love for numbers have helped improve his game.

Photos:
John Urschel participating in a Baltimore Ravens training session. (CREDIT: Getty Images)
Balancing the books on his head (CREDIT: Gregg Segal/ESPN)
standing behind blackboard (CREDIT: CBS News)