Houston Cougars · S RoomS

#23 Alvin Williamson Jr.

Class  RS SO/TRFrom  Vanderbilt (transfer)Ht / Wt  6'0" · 200 lbHometown  Cibolo, TX · Byron P. Steele HS

Depth-chart placement

Current role

NB3

Placement

Depth

Room

Safety

Experience

3-SO

Last change

Updated 2026-07-29

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S room context

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Alvin Williamson Jr. holds the NB · Depth spot in Houston Cougars’s safety room. Where he sits among the room’s front-line roles:

SS · StarterKentrell WebbStarter

FS · StarterJordan AllenStarter

NB · StarterJavion WhiteStarter

SS · BackupC.J. DouglasBackup

FS · BackupJohnsley BarbasBackup

NB · BackupParis Melvin Jr.Backup

NB · DepthAlvin Williamson Jr.Depth

Transfer history

2026Vanderbilt→Houston Cougars

Production

2025 season

Latest season · 2025

Tackles

Background & career

Alvin Williamson Jr. is a 6'0", 200-pound nickelback from Cibolo, Texas who prepped at Byron P. Steele High School as a three-star prospect. He initially committed to Vanderbilt, where he redshirted during the 2024 true freshman season without appearing in games. Williamson transferred to Houston and is currently a redshirt sophomore. In 2025, he appeared in one game, recording six snaps split between defense (4) and special teams (2).

Previous schoolVanderbiltRecruiting3-star · No. 1461 nationalOriginCibolo, TX · Byron P. Steele HS