Vikings Safety Concerns Are About To Face Their Toughest Test Yet

Undrafted safety Jacob Thomas will face his biggest challenge yet as the Vikings test their revamped defense against Lamar Jackson in joint practices with the Ravens.

The Vikings’ safety situation has turned into one of the most intriguing questions in camp, and now it’s about to get a real stress test.

After Jamal Adams suffered a season-ending injury in just 11 preseason snaps against the New York Giants, Minnesota suddenly found itself thinner at a spot that was already unsettled. Adams had reportedly been building toward a meaningful role, but that plan is gone now, and the Vikings have had to pivot quickly.

Jay Ward, Theo Jackson and Jakobe Thomas were all expected to be part of the mix next to Josh Metellus. Then came another name entering the picture: undrafted rookie Jacob Thomas.

Thomas, a UDFA from James Madison and not to be confused with Jakobe Thomas, made the kind of first impression that gets coaches’ attention. He grabbed an interception in the fourth quarter of his debut against the Giants, then earned first-team reps in the following practices.

“We ran our man (coverage) call, so I wanted to show something,” Thomas said after Saturday’s game. “He got to his back foot and looked over to the field, so, you know, got a good break on it and saw the ball up in the air, and I was like, holy [crap] I can go and get this. Going to catch the pick and then all my teammates surrounding me was the best feeling in the world.”

At 6’1”, 212 lbs., Thomas looks like the kind of safety Brian Flores can use in multiple ways. He finished his final college season with 71 tackles, two sacks and two interceptions. The bigger question is whether his rise is being driven by real playmaking ability or by how bare the safety room has become.

That’s where the Ravens come in.

Lamar Jackson and Baltimore are headed to Minnesota for joint practices before the preseason game, and those sessions could tell the Vikings a lot more than the game itself. Coaches have long said joint practices can be even more useful than preseason games because they give teams controlled competition against unfamiliar opponents. For Minnesota, that means a chance to find out whether the safety concerns are as serious as they look.

Against Brandon Allen, Thomas made a statement. Against Jackson, the challenge is on another level.

“Lamar’s the best player in the league,” Ravens head coach Jesse Minter said last week. “When he’s out there, and he’s obviously really engaged like he is, he makes everybody on the field better.

So, he makes the offense better. He makes the defense better for having to defend that type of player.”

Minnesota has already had its own issues in the secondary, even before Adams went down. Ward missed time with a concussion, Jakobe Thomas has been dealing with back stiffness, and Jackson hasn’t done much since losing his job halfway through the 2025 season. With no Harrison Smith resolution in sight, the Vikings are running out of time to sort out the back end of the defense.

That makes this week important. Flores uses his safeties in a variety of ways, and that kind of system only works if the players can handle those hybrid responsibilities.

If Thomas can hold up against Jackson and the Ravens, it could look like the start of something. If not, Minnesota may have to keep searching.

There aren’t many appealing veteran options left, but names like Donovan Wilson and Quandre Diggs are still out there. Another possibility is simply leaning into a rotation opposite Metellus if no one separates from the pack.

For now, though, Thomas is the fresh wrinkle in a shaky group, and he’s about to get the kind of test that can either validate the buzz or expose how much work still needs to be done.

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