Baltimore Ravens' John Urschel retires after concussion study | The Star
John Urschel, Ravens lineman, retiring from football at 26
Baltimore Ravens' guard John Urschel is a math whiz | CNN
Genius John Urschel Explains His Decision To Retire From NFL
Ravens Players, John Harbaugh React to John Urschel's Sudden Retirement
For math scholar John Urschel of Ravens, playing football adds up
John Urschel Tells the Full Story of Why He Retired, And Why He Doesn't Want it to Hurt Football
The Caw: The Internet (And Conan O'Brien) Loves John Urschel
Ravens center John Urschel accepted into PhD program at MIT - ProFootballTalk
Ravens' John Urschel Retires From NFL
John Urschel recounts his journey from the NFL to MIT
Why Ravens Running Back John Urschel Picked Math Over Football - InsideHook
Baltimore Ravens' guard John Urschel is a math whiz | CNN
John Urschel, Ravens lineman, retiring from football at 26
Former NFL player Urschel sells virtue of math to youngsters | theScore.com
Ravens' John Urschel on exploring football, math, why and why not - WTOP News
Ravens' Urschel dishes on math in football, living like Gronkowski | FOX Sports
Baltimore Ravens on Twitter: ""We'll put @DavidOjabo and @charliekolar_ out there when we think they're ready.. when we feel they're ready to be successful, and that could be soon.” https://t.co/N7XWBOwkYF" / Twitter
Ravens' John Urschel on exploring football, math, why and why not - WTOP News
John Urschel - Wikipedia
Why I Still Play Football
Ravens' John Urschel on exploring football, math, why and why not - WTOP News
