The Philadelphia Eagles are preparing for a significant defensive adjustment in the upcoming 2026 NFL season, with Cooper DeJean poised to play a greater role at safety. Analysts believe that, based on the offensive trends of the team’s 2026 NFL opponents, DeJean will transition away from his previous emphasis at outside corner to address the evolving needs of the Eagles defense across Pennsylvania.

Personnel Formations Driving Strategic Changes

During the 2025 season, the Eagles matched up most frequently against offenses using 11 personnel formations—three receivers and one tight end. Facing the league’s highest rate of such formations, defensive coordinator Vic Fangio often deployed the nickel defense, aligning DeJean inside on nearly 78 percent of his defensive snaps. This approach maximized versatility in defensive positioning and allowed the secondary to better handle spread offenses.

Shifting to Counter Multiple Tight Ends

The 2026 schedule presents a new challenge for the Eagles. Several upcoming rivals, including the Los Angeles Rams, Arizona Cardinals, Seattle Seahawks, and San Francisco 49ers, feature multiple tight ends in their offensive schemes. These teams are league leaders in deploying heavy personnel, frequently lining up in 12 and 13 personnel formations, which incorporate two or three tight ends on the field simultaneously. Such alignments often require an adjustment away from the typical nickel look toward a more robust base defense.

Base Defense vs. Nickel Defense

To counter these heavier personnel formations, Fangio may rely more on base defense packages, adding size and physicality to the lineup. This adaptation is likely to shift Cooper DeJean’s responsibilities from primarily covering in the slot to providing support as a safety. With more snaps anticipated at safety, DeJean’s versatility could become a key component of the Eagles defense. The move reflects an emphasis on matching up with opponents’ size, rather than speed, to protect against the run and tight end-focused passing attacks.

Impact of Opponents’ Offensive Schemes

The expected increase in games against offenses utilizing multiple tight ends forces the coaching staff to adapt their defensive strategy. The prevalence of heavy sets and complex personnel formations means the Eagles must emphasize communication and adaptability across the back end and linebacker group. Such changes are not only about on-field matchups but also about positioning players like DeJean where they can have the most influence, especially as he transitions from outside corner to a safety role.

Cooper DeJean’s Versatility Under Vic Fangio

Coach Vic Fangio’s reputation for innovative defensive strategy and flexibility is at the forefront of these changes. By moving DeJean into safety more frequently, Fangio is capitalizing on the player’s agility, intelligence, and ability to read evolving offensive plays. DeJean’s shift in defensive positioning is expected to help the team counter challenging tight end sets and bolster support across the secondary when facing the 2026 NFL opponents.

Adapting for Success in the Pennsylvania Football Landscape

With Pennsylvania’s passionate fan base and the Eagles determined to stay ahead in the NFC, local supporters will be watching closely as the team implements these changes. The anticipated move for Cooper DeJean, prompted by new trends among league offenses, illustrates the franchise’s commitment to continuous tactical evolution. As game-time situations arise and opponents adjust their own strategies, the Eagles are positioned to leverage their talented secondary and experience at safety for competitive advantage in 2026.

As the season approaches, all eyes in Pennsylvania will remain on how the Eagles defense—and Cooper DeJean in particular—rises to meet the challenges of a league that continues to innovate with its personnel formations and offensive approaches.