From the Ravens to MIT: John Urschel Just Published a Math Breakthrough

John Urschel used to spend his Sundays in the trenches of the NFL, blocking for the Baltimore Ravens. These days he’s a professor at MIT, and his latest research paper has the math community talking. Titled“On the Growth Factor of Random Matrices,”the paper tackles Gaussian elimination, the algorithm used to solve complex equations, and answers a question mathematicians have been asking for decades about how stable that method really is.

What makes the story even better is the timeline. Urschel was already taking graduate-level math courses while playing for the Ravens, publishing research between practices and games. A 2015 concussion contributed to his decision to retire in 2017 after three seasons. Instead of sticking around the league, he went all in on mathematics, earning his doctorate at MIT and eventually joining the faculty. The paper recently went viral after UC Berkeley mathematician Ethan Epperly shared it on social media.

Urschel himself summed it up best when he pointed out that we still don’t fully understand the most fundamental algorithm in his field. That’s the kind of curiosity that turns a football career into a math career. So what’s the boldest career pivot you’ve ever seen from an athlete? Tell us in the comments.