# Minnesota Vikings rookie and roster developments

> Live situation record from CLSTR: https://clstr.news/situations/minnesota-vikings-rookie-development
> Updated: 2026-08-22T21:34:21.000Z. Sources: 6. Developments: 4.

As the Minnesota Vikings' preseason progresses, several rookies and veterans have shaped the team's early narrative. Head coach Kevin O'Connell has praised rookie tight end Max Bredeson, describing his performance as “really, really good” following his transition from fullback. Defensive back Charles Demmings has also emerged as a standout, drawing attention for aggressive play and pass deflections against star receiver Justin Jefferson.

On the defensive side, the team has moved veteran Jamal Adams from linebacker back to his natural safety position, a shift accompanied by a jersey number change from 54 to 32 to meet NFL regulations. Adding to the depth in the secondary, undrafted rookie safety Jacob Thomas has become a strong candidate for the final roster. O'Connell characterized Thomas as “really smart,” “instinctive,” and a “great find” after the player recorded six tackles and a pass defense during a Week 2 preseason matchup.

Despite these successes, challenges remain in other units. Center Blake Brandel has struggled with shotgun snaps, and quarterback J.J. McCarthy has yet to secure a clear starting role, as the team continues to utilize Kyler Murray for the majority of first-team snaps.

## Timeline

### 2026-08-22: Jacob Thomas emerges as roster favorite for Minnesota Vikings

Minnesota Vikings undrafted rookie safety Jacob Thomas is making a strong case for a roster spot following standout preseason performances and high praise from head coach Kevin O'Connell.

4 sources. https://clstr.news/cluster/jacob-thomas-emerges-as-roster-favorite-for-minnesota-vikings

### 2026-08-07: Minnesota Vikings training camp features position changes and mixed player performances

Vikings training camp saw Jamal Adams shift back to safety with a new number, while rookie Charles Demmings and fullback Max Bredeson thrived and center Blake Brandel and QB J.J. McCarthy struggled.

5 sources. https://clstr.news/cluster/minnesota-vikings-training-camp-features-position-changes-and-mixed-player-performances

### 2026-08-04: Minnesota Vikings rookies shine in training camp, Demmings impresses

Vikings coach Kevin O'Connell lauds rookie Max Bredeson, while fifth‑round pick Charles Demmings impresses in camp with strong play against Justin Jefferson.

2 sources. https://clstr.news/cluster/minnesota-vikings-rookies-shine-in-training-camp-demmings-impresses

### 2026-07-25: Minnesota Vikings anticipate contributions from rookies Max Bredeson and Demond Claiborne

The Vikings drafted fullback Max Bredeson and RB Demond Claiborne, hoping the newcomers will boost blocking and a sluggish running game.

2 sources. https://clstr.news/cluster/minnesota-vikings-anticipate-contributions-from-rookies-max-bredeson-and-demond-claiborne

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Cite as: Minnesota Vikings rookie and roster developments. CLSTR, https://clstr.news/situations/minnesota-vikings-rookie-development