John Urschel: Why I retired early from football - Sports Illustrated
Genius John Urschel Explains His Decision To Retire From NFL
Ravens center John Urschel accepted into PhD program at MIT - NBC Sports
From the NFL to MIT: The Double Life of John Urschel
NPR Interview: John Urschel, Author Of 'Mind And Matter' : NPR
Mathlete in the House: NFLer-cum-mathematician John Urschel to deliver public lecture at U of M - Faculty of Science
John Urschel Stats, News and Video - G
Why NFL lineman John Urschel benched football for math - CBS News
From the NFL to MIT: The Double Life of John Urschel
It all adds up: Lineman John Urschel loves his post-NFL life
John Urschel quit the NFL for a career in math. It wasn't just about the concussions. - The Washington Post
Ex-Raven John Urschel says retirement about math, not concussions
Penn State's John Urschel: Taste for math + chewing up defense = Unlimited potential
For Ravens' John Urschel, the math on CTE adds up
For ex-Raven John Urschel, NFL retirement felt more like a change in careers