The Dallas Cowboys made two roster moves Wednesday as they prepared for Monday night’s game against the Las Vegas Raiders. The club placed safety Juanyeh Thomas on the reserve/non‑football illness list and signed offensive tackle Marcellus Johnson to the practice squad.
Thomas will miss at least four games as he addresses an ongoing migraine issue, the team announced. The safety had appeared in seven games this season and his absence forces Dalas to lean on other members of the secondary while he seeks treatment and recovery.
Dallas Cowboys, Juanyeh Thomas, NFL
Nov 19, 2023; Charlotte, North Carolina, USA; Dallas Cowboys safety Juanyeh Thomas (30) during pregame warm ups against the Carolina Panthers at Bank of America Stadium. Mandatory Credit: Jim Dedmon-USA TODAY Sports
To shore up depth on the offensive line after a recent practice‑squad departure, Dallas added Johnson, a 6‑foot‑4, 307‑pound tackle who has spent time on several teams’ practice squads. Johnson’s addition gives the team insurance in case of an injury to a starter or backup during the short week ahead of the matchup against Las Vegas.
Coaches described the moves as routine roster management during a long season that requires flexibility. The club lost Geron Christian from the Cowboys’ practice squad earlier this week when he signed with another team, creating an immediate need at tackle. Johnson’s familiarity with practice‑squad life and previous work in league systems made him an efficient pickup for Dallas.
Dallas Cowboys Sign Juanyeh Thomas and Marcellus Johnson Before Las Vegas Raiders Game
Dallas Cowboys, Juanyeh Thomas, NFL
October 8, 2023; Santa Clara, California, USA; Dallas Cowboys safety Juanyeh Thomas (30) warms up before the game against the San Francisco 49ers at Levi’s Stadium. Mandatory Credit: Kyle Terada-USA TODAY Sports
Dallas recently made two moves right before their match against the Raiders on Sunday. This can be seen in a post shared by the team’s Public Relations account on X.
The @dallascowboys signed OT Marcellus Johnson to the practice squad on Wednesday.
The club also placed S Juanyeh Thomas on Reserve/Non-Football Illness.
— Dallas Cowboys Public Relations (@DallasCowboysPR) November 12, 2025
Local reporters noted the timing of Thomas’ designation amid a week of heightened emotion within the organization following recent events that have affected the locker room. Team officials emphasized player health and welfare and indicated they would provide appropriate support during his absence. Veteran safeties and younger backups are now expected to see expanded roles in upcoming game plans.
Dallas Cowboys, Juanyeh Thomas, NFL
October 8, 2023; Santa Clara, California, USA; Dallas Cowboys safety Juanyeh Thomas (30) warms up before the game against the San Francisco 49ers at Levi’s Stadium. Mandatory Credit: Kyle Terada-USA TODAY Sports
The transactions were posted to the NFL’s daily transaction log and confirmed by Dallas’ public relations office. Roster flexibility remains a priority for head coaches around the league as injuries and callups create constant movement ahead of each week’s slate.
The Cowboys will monitor Thomas’ progress while integrating Johnson into practice routines, with immediate focus on preparing for Las Vegas. The club expects to provide further updates as practice reports are filed and game day decisions are finalized.
Dallas Cowboys, Juanyeh Thomas, NFL
Oct 8, 2023; Santa Clara, California, USA; Dallas Cowboys safety Juanyeh Thomas (30) jogs on the field before the game against the San Francisco 49ers at Levi’s Stadium. Mandatory Credit: Darren Yamashita-USA TODAY Sports
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