The San Francisco 49ers are continuing their aggressive offseason overhaul, this time directing their attention toward a defensive unit that desperately needed reinforcement — landing veteran interior lineman Osa Odighizuwa via trade.
Per multiple league sources, the Dallas Cowboys agreed to ship Odighizuwa to their longtime NFC rival in exchange for a third-round draft selection on Wednesday. The move comes after Dallas committed to an $80 million contract with the 27-year-old just last season, only to subsequently acquire defensive tackles Quinnen Williams and Kenny Clark — a positional logjam that effectively rendered Odighizuwa expendable and elevated him to one of the most coveted available players heading into this offseason's transaction window.
Within San Francisco's defensive front, Odighizuwa is immediately positioned to assume the role of primary interior disruptor — a distinction that carries both opportunity and sobering context given the current state of the Niners' depth chart. The organization declined to tender 2022 draft selection Kalia Davis, releasing him into free agency; Jordan Elliott departed for Tennessee; and veteran Kevin Givens appears headed toward an exit as well. What remains is Alfred Collins, C.J. West, and Sebastian Valdez — a trio that, while showing flashes of potential in Collins' case, largely represents developmental and rotational-caliber talent rather than proven difference-makers at the NFL level.
Given that San Francisco's defense appeared structurally compromised throughout much of last season — even accounting for the devastating impact of a shaky overall unit compounded by season-ending injuries to both Nick Bosa and Fred Warner — this acquisition represents a substantive upgrade rather than mere roster maintenance. Odighizuwa addresses a chronic deficiency: interior pass-rush production. The collective 49ers defensive tackle room managed just 2.5 sacks last season in total, while Odighizuwa alone generated 3.5 — operating within a crowded Dallas rotation that limited his individual opportunities considerably.
Perhaps the most compelling dimension of this transaction, however, is the schematic and personnel context awaiting Odighizuwa in San Francisco. Lining up alongside Nick Bosa — widely regarded as one of the elite edge-rushing talents in professional football — creates a dynamic that historically amplifies interior lineman production through stunts, games, and concentrated blocking attention. There is also direct historical precedent for Odighizuwa thriving in exactly this configuration. During the 2024 season, operating beside first-team All-Pro Micah Parsons, he ranked 16th among all defensive linemen league-wide with 54 quarterback pressures — a figure that tied him with Khalil Mack and surpassed Maxx Crosby by one — while placing second among all interior defensive tackles. The only lineman at his position who outperformed him in that metric was Kansas City's Chris Jones, himself a first-team All-Pro selection.
San Francisco is investing meaningfully to secure this upgrade, both in draft capital and salary obligations. Odighizuwa's $16.75 million base salary places him among the franchise's top cap commitments — ranking fifth overall according to Spotrac, behind Bosa, Trent Williams (whose final cap figure remains subject to resolution), Brock Purdy, and Fred Warner. That financial commitment is substantial by any measure, yet one particular performance indicator lends considerable credibility to the investment: across five professional seasons, Odighizuwa has missed precisely one game. For a franchise that watched its defensive infrastructure buckle under the weight of injuries last year, acquiring a durable, high-impact interior presence at this stage of roster construction could prove to be one of the most consequential moves of the entire offseason.
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This article originally published at 49ers make another huge roster upgrade, this time on defense.