Dorian Thompson-Robinson makes a fan's day while taking a penalty for UCLA. Jayne Kamin-Oncea-USA TODAY Sports

Watch: UCLA QB Dorian Thompson-Robinson celebrates TD by signing a hat

UCLA quarterback Dorian Thompson-Robinson got a 15-yard penalty for a touchdown celebration against USC, but he made a young fan's night in the process.

After running in a 4-yard touchdown to extend UCLA's lead to 28-10, Thompson-Robinson was handed a UCLA hat and a Sharpie by a fan wearing all red at the Los Angeles Coliseum. He quickly autographed the brim and tossed it back while an official could be seen telling him to go back to the sideline.

Thompson-Robinson had a rough start to the rivalry matchup with two interceptions on his first two throws of the game. He quickly settled in and finished the first half with 239 passing yards, three passing touchdowns, 21 rushing yards and a rushing touchdown.

USC has dominated the duel for the Victory Bell over the last couple decades with 17 wins in the last 21 meetings. The Trojans limped into the 2021 matchup with a 4-5 record, however.

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