Ravens' John Urschel says love for playing outweighs concussion risks

Ravens guard John Urschel, the NFL's mathematics expert, said his passion for playing football outweighs the risks of suffering head trauma.

"I recognize that this is somewhat irrational, but I am doing it," Urschel told HBO's "Real Sports with Bryant Gumbel" in an episode that aired Tuesday night. "It's more important to me that I'm able to do the two things I love. I don't know if people have really done things that I've done before. I don't know if they'll do it after me. But I enjoy carving out my own path and not listening to what people say I can and I can't do."

Uurschel is pursuing his doctorate at the Massachusetts Institute of Technology in the offseason, focusing on spectral graph…