Former NFL players also turn to [[chess]]. John Urschel, who retired early from the NFL to pursue a PhD in [[mathematics]] from [[MIT]], is a fine chess player.<ref>https://www.huffpost.com/entry/this-ex-nfl-player-is-on-a-mission-to-become-a-chessmaster_n_5a7a0cd1e4b0d0ef3c0a26d9</ref> | Former NFL players also turn to [[chess]]. John Urschel, who retired early from the NFL to pursue a PhD in [[mathematics]] from [[MIT]], is a fine chess player.<ref>https://www.huffpost.com/entry/this-ex-nfl-player-is-on-a-mission-to-become-a-chessmaster_n_5a7a0cd1e4b0d0ef3c0a26d9</ref> |