I initially assumed that this Sugar Bowl Parade spectator was a Longhorn fan but, now that I look at the picture closer, I see he was wearing Washington Huskies beads too so perhaps he was still on the fence. It seems pretty clear, however, that he is a New Orleans Saints supporter.
Find all my photos from Sugar Bowl weekend at https://davewilson.smugmug.com/UT-Longhorn-Band/2023/Sugar-Bowl-January-1st-2024.
For the technically inclined...