Ravens' John Urschel, lineman and PhD candidate, retires from NFL aged 26, NFL
Mathlete in the House: NFLer-cum-mathematician John Urschel to deliver public lecture at U of M - Faculty of Science
NFL player who retired to pursue a PhD at MIT lived on $25,000 a year
Ex-Raven John Urschel says retirement about math, not concussions
The NFL's Math Doesn't Add Up
Ravens' John Urschel on exploring football, math, why and why not - WTOP News
John Urschel Off To Hot Start In Rookie NFL Season
I quit NFL after making $2m in just three years - now I'm a mathematics genius and chess whizz teaching others
John Urschel goes back to school at MIT - Baltimore Beatdown
Baltimore Ravens have given Joe Flacco keys to the universe
Ravens Lineman Retires to Pursue MIT Doctorate after CTE Study Released
NFL training camp winners and losers: Bad news engulfs Ravens
Ravens center John Urschel accepted into PhD program at MIT - NBC Sports