Ravens' John Urschel on exploring football, math, why and why not - WTOP News
John Urschel Off To Hot Start In Rookie NFL Season
John Urschel, Ravens lineman, retiring from football at 26
A Canadian-born Baltimore Ravens lineman just published an incredibly complex study in a mathematical journal
John Urschel, ex-NFL player and mathematician, on how to find your passion
Ravens OL John Urschel, 26, abruptly retires days after findings of CTE study were released – New York Daily News
John Urschel goes back to school at MIT - Baltimore Beatdown
Former NFL Lineman, now at MIT, talks math and STEM, Education
Baltimore Ravens' guard John Urschel is a math whiz
NFL: John Urschel retires from Baltimore Ravens