This could be a long list if we go back further than recent memory. To add from what others have already posted.
Ryan Deakin, Anthony Ashnault, Macchiavello
Yufei Zhao - MIT Mathletes - 7 titles in the last 9 William Lowell Putnam Mathematical Competition. Past 3 years, MIT students corralled all five of the top Putnam Fellow spots
@flyingcement just looking at your predictions I beg you to reach out to 1800 GAMBLER
To the rest of the board, flyingcement is a good dude. Please refrain from taking any of his bets
Not to start another thread but how about professional athletes in other sports that didn't wrestle in college? JT Realmuto vs Micah Parsons could be a fun match