The Dallas Cowboys’ already thin safety room took another hit Sunday in Rio de Janeiro, where starting safety Jalen Thompson left the Week 3 matchup against the Baltimore Ravens with a hamstring injury before halftime.
Thompson, signed this offseason to a three-year, $33 million contract after leaving the Arizona Cardinals, went down on a Derrick Henry run and later needed help getting off the field.
Sideline reports described him struggling to walk under his own power as he headed to the locker room, and he was listed as questionable to return.
That sequence matters because Dallas has already lost two other safeties in the first two weeks. Malik Hooker broke his forearm in the opener, and P.J. Locke tore his plantar fascia in Week 2.
Thompson was supposed to be the veteran stabilizer in a group that now has to keep turning to the next available body. Alijah Clark entered the game after Thompson departed, a reminder that the Cowboys are already operating on the back end of the depth chart.
At the break, Dallas sat at 1-1 and trailed Baltimore 17-13, leaving the defense to finish a primetime-style international game without one of its highest-paid additions.
The timing is especially frustrating because the Thompson signing had been one of the more widely praised moves of Dallas’ free-agency period. Pro Football Focus listed the contract among its favorite deals of the 2026 cycle, arguing that the Cowboys had landed a proven starter at a reasonable price after he spent years as a mainstay in Arizona.
Thompson was expected to help clean up coverage mistakes, communicate in the secondary, and give the defense a reliable last line against the run.
A hamstring strain does not automatically end a season, but it can linger, and even a short absence would force Dallas to lean harder on younger or less proven players while Hooker and Locke remain out.
There is also the broader picture of a Cowboys roster that cannot afford another injury cascade. Safety play has been a quiet pressure point for Dallas in recent years, and the front office tried to solve it by paying Thompson rather than hoping an untested option would grow into the job.
If he cannot return quickly, the staff will have to mix alignments, simplify some of the communication load, and hope the remaining pieces can hold up against a Ravens offense built around Henry’s physical running and play-action.
Sunday’s reports stopped short of a long-term diagnosis, which is typical in the middle of a game, but the visible difficulty Thompson had walking off the field was enough to make the injury look more than incidental.
For now, the story is unfinished. Dallas will wait on further tests and a Monday or Tuesday injury update to learn whether Thompson is dealing with a mild pull or something that could keep him out beyond Week 3.
Until then, the Cowboys are left with the same uncomfortable pattern that has defined their early season: another starter down, another young player stepping in, and another reminder that depth at safety is no longer a theoretical concern.
