Miami Dolphins · DL RoomDL

#97 Keith Cooper Jr.

Exp  1 yr NFLAge  23Ht / Wt  6'5" · 280 lbCollege  Houston; Tulane

Depth-chart placement

Current role

LDT5

Placement

Depth

Room

Defensive Tackle

Experience

YR 2

Last change

Updated 2026-07-29

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DL room context

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Keith Cooper Jr. holds the LDT · Depth spot in Miami Dolphins’s defensive tackle room. Where he sits among the room’s front-line roles:

LDT · StarterKenneth GrantStarter

RDT · StarterZach SielerStarter

LDT · BackupJordan PhillipsBackup

RDT · BackupZeek BiggersBackup

LDT · DepthKeith Cooper Jr.Depth

Keith Cooper Jr. played 1 game in 2025 with a 2% snap share.

Background & career

Keith Cooper Jr. is a 6'5", 280-pound defensive tackle from Dickinson, TX who attended Houston and Tulane. Originally signed by Detroit as an undrafted free agent, Cooper joined Miami on a two-year contract. Entering his second season with the Dolphins, the 23-year-old defender competes on the defensive line.

Browns2025

Dolphinspresent

College

Houston; TulaneAcquiredAcquired from Detroit Lions · drafted thereHometownDickinson, TX