Someone on Reddit posted every angle of the hold. Evidence is very a good thing:

Nov 10, 2024
3:55:21pm

Coug Eastwood All-American

Clear holding. Utah fans believing this game was stolen should be more concerned about not putting points on the board in 3/4 quarters. pic.twitter.com/ExmFDf7iYW
— House of BYU (@HouseofBYU) November 10, 2024

https://twitter.com/HouseofBYU/status/1855545278792966513

Here’s a zoomed view, with some slow mo peeks.

Top of the screen. #17 in blue. pic.twitter.com/Dn0wnvV9Mc
— Steve Carter (@50stev) November 10, 2024

https://twitter.com/50stev/status/1855543812770386074

This is the best and only look you’ll get at the 4th and 10 defensive holding call on Utah that extended BYU’s season pic.twitter.com/sk8yUZNG1K
— Unnecessary Roughness (@UnnecRoughness) November 10, 2024

https://twitter.com/UnnecRoughness/status/1855508251246252411

This was defensive holding. Best angle. Best view. To say otherwise, means you don’t understand the rules.

The BYU WR clearly creates separation from the defender. And the defender reaches out to grab him. pic.twitter.com/4Sl7bWabgr
— 🍍Andy Splatz🍍 (@AndySplatz) November 10, 2024

https://twitter.com/AndySplatz/status/1855528391015108740