John Urschel makes the best, smartest decision of his life in retiring from the NFL – New York Daily News
Retiring Raven tribute: Marshal Yanda deflected praise, but few deserve it more - The Athletic
MIT's John Urschel On The NFL, Concussions And Settlers Of Catan
2016 cheat sheet: Baltimore Ravens, NFL News, Rankings and Statistics
Winnipeg native John Urschel credits Ravens teammate for success
NFL training camp winners and losers: Bad news engulfs Ravens
Ex-Raven John Urschel says retirement about math, not concussions
One of the Baltimore Ravens Just Published an Insanely Complex Study in a Math Journal - Bloomberg
Ravens offensive lineman John Urschel retires
From NFL to ambassador: John Urschel looking to increase diversity - ESPN - Baltimore Ravens Blog- ESPN
Former NFL Star John Urschel Talks Mathematics