A Physical Shift at OTA Workouts
Buffalo Bills defensive lineman Landon Jackson has undergone a significant physical transformation during the offseason, bulking up to approximately 285 pounds as the team opens its organized team activities. According to Buffalo Rumblings, the second-year defender is shifting away from his traditional edge-rusher profile to fit into a specialized, block-eating role within the defensive front managed by coordinator Jim Leonhard.
This physical progression marks a distinct departure from Jackson’s initial projection as an upright pass rusher. Selected 72nd overall in the third round of the 2025 NFL Draft out of the SEC, Jackson entered the league standing 6-foot-6 and weighing roughly 265 pounds, accompanied by an expansive wingspan and high-end athletic testing metrics. However, his rookie campaign was abruptly halted in Week 10 when he suffered an ACL tear, placing him on injured reserve and limiting his development window.
Analytical Outlook and Scheme Fit
Analytical models from Buffalo Rumblings suggest that Jackson faced an uphill statistical battle to become a high-volume pressure producer based on historical prospect baselines, such as the Reverse Engineered Scouting Index Number (RESIN) metric. Pre-draft evaluations consistently noted that despite his towering frame and impressive length, his pass-rush moves often lacked elite bend and short-area quickness, making his transition into a traditional edge disruptor statistically challenging.
Under Jim Leonhard’s odd-man defensive front, however, Jackson’s responsibilities will pivot directly toward heavy run-defense duties, two-gap responsibilities, and occupying interior blockers. By adding roughly 20 pounds of mass, the former third-round selection is positioned to absorb contact and hold the point of attack rather than depending strictly on high-end edge speed to win reps.
Rookie Recovery and Injury Context
Jackson’s physical transformation also follows a rigorous rehabilitation period stemming from his major knee injury during his debut professional season. As reported by the Rochester Democrat and Chronicle, Jackson also sustained an apparent right leg scare during his rookie recovery timeline when he briefly exited a regular-season matchup against the New England Patriots after going down awkwardly while rushing left tackle Will Campbell. Although he managed to return to that contest after medical evaluation in the blue tent, the cumulative physical toll underscores the importance of his offseason mass addition for durability.
With defensive personnel groupings facing ongoing adjustments in Buffalo, the coaching staff’s willingness to mold Jackson into a heavier interior presence offers a tailored developmental pathway. Rather than forcing him into a standard perimeter pass-rusher archetype where analytical models projected lower efficiency, the Bills are leveraging his rare frame to anchor the line of scrimmage.

