At age 26, Ravens' John Urschel retires from NFL to pursue PhD in maths at MIT, The Independent
From NFL to ambassador: John Urschel looking to increase diversity - ESPN - Baltimore Ravens Blog- ESPN
Baltimore Ravens 2021 Draft Guide by Baltimore Ravens - Issuu
John Urschel - 2012 All-Big Ten
Ex-Raven John Urschel says retirement about math, not concussions
It all adds up: Lineman John Urschel loves his post-NFL life
Giant quits at just 22 over health - PressReader
Ravens' John Urschel, lineman and PhD candidate, retires from NFL aged 26, NFL
Baltimore Ravens' guard John Urschel is a math whiz
Ravens' John Urschel on exploring football, math, why and why not - WTOP News
Baltimore Ravens Offensive Lineman John Urschel Retires From NFL At 26
Mind and Matter: A Life in Math and Football: 9780735224889: Urschel, John, Thomas, Louisa: Books
Ravens' John Urschel, lineman and PhD candidate, retires from NFL aged 26, NFL
John Urschel Stats, News and Video - G