Career Honors
- ACC All-Academic Team (2024)
As a Sophomore (2025)
- Played all 12 games for the first time in his career, seeing time at inside linebacker
- Recorded 23 tackles, including 16 solo tackles, career highs in both statistics
- Added 1.5 tackles for loss
- Set a career high with five tackles, including his first one-half tackle-for-loss, on the road at No. 9 Miami (Oct. 25)
- Added four solo tackles and a tackle-for-loss in Stanford's season finale at home against No. 9 Notre Dame (Nov. 29)
As a Freshman (2024)
- ACC All-Academic Team
- Appeared in nine games as a freshman, playing primarily on special teams
- Recorded six tackles, including two solo tackles
- Made his collegiate debut in Stanford's season opener against TCU (Aug. 30)
- Recorded his first two tackles, including a solo tackle, against Cal Poly (Sept. 7)
- Posted two tackles and forced a fumble on a kickoff in the 128th Big Game (Nov. 23)
Prior to Stanford
- Played at Magnolia West High School in Magnolia, Texas for head coach Ben McGehee
- Ranked No. 41 nationally by ESPN at the inside linebacker position
- Lands at No. 8 by On3 for inside linebackers in the state of Texas, with a composite ranking of No. 10 by 247Sports
- Also lettered in track and field in high school, where he did shot put
- Played on both sides of the ball at Magnolia West, but stood out with 282 total tackles at the varsity level, with 18 tackles for loss and 7.5 sacks
- Added 37 receptions, 527 receiving yards, and 12 total touchdowns on offense
- First All-County
- Academic All-District award
Personal
- Son of Joe and Wendy Mattingly
- Has one older sister, Emma and one younger brother, Luke
- Father played football collegiately at Adams State
- Interested in studying Industrial Management