Dallas Cowboys · OL RoomOL

#79 Marcellus Johnson

Exp  2 yrs NFLAge  26Ht / Wt  6'4" · 307 lbCollege  Missouri; Eastern Michigan

Depth-chart placement

Current role

Placement

Depth

Room

Offensive Line

Experience

YR 3

Last change

Updated 2026-07-29

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OL room context

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Marcellus Johnson holds the RG · Depth spot in Dallas Cowboys’s offensive line room. Where he sits among the room’s front-line roles:

LT · StarterTyler GuytonStarter

LG · StarterTyler SmithStarter

C · StarterCooper BeebeStarter

RG · StarterTyler BookerStarter

RT · StarterTerence SteeleStarter

LT · BackupNate ThomasBackup

LG · BackupTrevor KeeganBackup

C · BackupNick LeverettBackup

RG · BackupT.J. BassBackup

RT · BackupDrew SheltonBackup

RG · DepthMarcellus JohnsonDepth

Background & career

Marcellus Johnson is a 6'4", 307-pound right guard from Normal, Illinois. He attended Missouri and Eastern Michigan before signing with the Giants as an undrafted free agent in 2024. Johnson spent his first season on New York's roster in 2024, then joined the Dallas Cowboys in 2025. Entering his third NFL season, he holds a two-year contract with Dallas.

Giants2024

Cowboys2025 — present

College

Missouri; Eastern MichiganAcquiredAcquired from New York Giants · drafted thereHometownNormal, IL