49ers add defensive lineman Vilami Fehoko, release TE Josiah Deguara

The San Francisco 49ers made a personnel move on Monday night that rebalances the defensive front. Per the NFL’s transaction wire as reported by Yahoo Sports, the 49ers signed defensive lineman Vilami Fehoko and released tight end Josiah Deguara as the team continues shaping its roster for the regular season.

The headline detail is a positional flip. Adding Fehoko brings another player into the defensive line group with an emphasis on pass-rushing capability, while Deguara’s release removes a tight end from the active mix. That kind of swap is common during roster-management windows, when teams use limited roster spots to target specific skill sets for both base packages and sub-grouped roles.

Fehoko is described in the report as a “local product,” a framing that typically points to a player with regional ties. Beyond that characterization, the available material here does not provide biographical or production specifics, so the most accurate takeaway is that San Francisco is prioritizing defensive line depth and pass-rush options.

For Deguara, the reported move is straightforward: the 49ers moved on from the tight end after signing Fehoko. Tight end usage in modern offenses tends to vary by opponent, but the tight end room is also a roster-protection question. Teams often keep only the tight ends who fit their blocking schemes, route-tree needs, and special-teams assignments, and a release like this indicates San Francisco decided another player category fit the roster plan better.

The transaction itself matters less as a stand-alone event and more as a report about roster construction. The 49ers have long treated the defensive front as a foundation unit, and late-summer moves frequently revolve around ensuring there is adequate rotation, especially against teams that stress the pocket with multiple pass rushers. Adding a defensive lineman can also improve practice tempo, because it allows coaches to simulate different defensive looks with more specialized personnel.

From a league-wide perspective, these moves align with how the NFL manages the edges of the roster. Teams can alter the mix of positions up until the regular-season roster is finalized, and each move forces other players on the fringe to either separate themselves in training-camp work or wait for future opportunities. That makes these sign-and-release transactions part of a bigger competitive process rather than a definitive statement about depth-chart order.

The next thing to watch is how Fehoko fits into the 49ers’ defensive structure in daily work. If he is being added specifically for pass rush, his reps against offensive tackles and in third-down periods will likely shape how quickly he earns a role. For Deguara, the focus shifts to where he lands next, since the release opens the door for another team to evaluate his fit at tight end, particularly if they need blocking help or special-teams depth.

Because this story is based on a single transaction-wire report and no additional primary team or league confirmation is included in the available material, some details may be incomplete here. For the most complete picture, readers should expect follow-up updates on roster status once the team’s official transaction log and final roster projections are published. (As of the Yahoo Sports report timestamp, the stated moves were the only directly supported specifics.)