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49ers Preseason Finale: Key Roster Battles to Watch vs. Raiders

August 26, 2026 3 min read
49ers Preseason Finale: Key Roster Battles to Watch vs. Raiders

As the San Francisco 49ers wrap up their preseason schedule on Thursday night against the Las Vegas Raiders, the coaching staff faces several critical roster decisions. While the left guard competition has dominated headlines, the second safety spot remains a pressing concern, with no clear-cut starter emerging. The 49ers' final preseason game offers a crucial opportunity for players to stake their claim before the regular season begins.

Safety Battle: Sigle vs. Davis

The injury to Malik Mustapha has left the safety position in flux. Marques Sigle, who impressed in limited action last season, has not secured the starting job opposite Ji'Ayir Brown. The team's decision not to draft a safety signaled confidence in their in-house options, but the late signing of veteran Ashtyn Davis suggests they wanted insurance. Head coach Kyle Shanahan indicated that few starters will play, but the safety competition could be decided by Thursday's performance.

"We need to see who can step up and fill that void," Shanahan said. "It's a critical role in our defense."

Sigle has shown flashes but lacks consistency, while Davis brings veteran savvy and special teams value. The 49ers need a reliable partner for Brown, who is expected to be a cornerstone of the secondary. Thursday night will be a final audition for both players, and the coaching staff will be watching closely.

Cornerback Depth: Jones vs. Prysock

Another position to monitor is cornerback, where injuries have created an opening. Renardo Green is dealing with a hamstring injury, and Deommodore Lenoir is nursing a shoulder issue, though he is expected to be ready for the trip to Australia. Veteran Jack Jones has been impressive in the preseason, but undrafted rookie Ephesians Prysock could make a late push. Darrell Luter Jr. also remains in the mix, but Jones appears to have the edge.

As we saw with Jacob Cowing last week, a single big play can change the trajectory of a player's roster chances. Prysock has the physical tools, but Jones' experience gives him an advantage. The cornerback battle is far from settled, and Thursday's game could be a deciding factor.

Linebacker Shuffle: Martin, Gifford, and Jones

The linebacker position has been a pleasant surprise for the 49ers, with the emergence of Garrett Wallow and Jaden Dugger, along with the potential of Nick Martin. However, injuries to Martin and Luke Gifford have opened the door for veteran Deion Jones, who signed recently. Jones could earn a roster spot as a special teams contributor if Gifford's injury lingers.

"Deion has a lot of experience and can help us on special teams," a team source told Vulius Sports. "His leadership is invaluable." The 49ers have depth at linebacker, but the final roster spots will hinge on health and special teams value. Thursday's game will be a key evaluation for Jones and other bubble players.

As the 49ers prepare for their season opener against the Seahawks in Australia, these position battles will shape the final 53-man roster. The coaching staff has tough decisions ahead, and Thursday night's game will provide clarity. Stay tuned to Vulius for in-depth analysis and updates on all the roster moves.

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