Aaron Glenn explains why Cade Klubnik’s moxie impressed him, after Geno Smith’s ankle bumped him into the Jets’ preseason opener

The New York Jets adjusted their plan for their preseason opener when Geno Smith’s sore ankle created a need at quarterback. With the start shifting, Cade Klubnik, a fourth-round pick, took the opportunity to step in against the Tampa Bay Buccaneers, and Jets defensive coordinator Aaron Glenn leaned on a familiar theme: the traits Klubnik displayed in college, including urgency and conviction, translated to the pro level in practice and preparation.

Glenn’s assessment, as reported by Yahoo Sports, focused less on the depth-chart math and more on the intangible qualities that coaches look for early in a quarterback’s development. He said he saw the same “moxie” and the same kind of confidence from Klubnik that Glenn said he noticed in college, suggesting the quarterback’s mindset has been consistent even as the circumstances changed.

The move also underscored how quickly NFL preseason reps can alter player roles. Klubnik was not expected to start at the outset of the game plan, but the coaching staff used the opening created by Smith’s availability to put a developing quarterback in a real-game environment. For a team building its quarterback depth and continuity, preseason games can become evaluation tools just as much as they are tuneups.

For the Buccaneers, the matchup offered Tampa Bay a chance to see how New York’s quarterback rotation performs when the starting option is limited. In these weeks, opponents pay close attention to how quarterbacks process pressure and manage timing, and Klubnik’s emergence against a first-team-caliber defense can shape how both teams view what is controllable when a starter is unavailable.

There is a practical caveat to keep in mind: a single preseason game does not establish a long-term starter’s outlook, and a late change for any quarterback adds noise to evaluation. Still, Glenn’s comments point to what the Jets appear to be emphasizing internally. If Klubnik’s demeanor and decision-making match the traits he showed in college, the Jets can benefit from a quarterback who handles adversity without letting the moment shrink him.

What to watch next is how Klubnik’s preparation lines up for subsequent practices and whether the Jets keep leaning on the qualities Glenn identified if Smith returns to full availability. Tampa Bay, meanwhile, will look for consistency in defensive execution against whatever quarterback New York puts under center, using early-season preparation to measure communication, coverage discipline, and pressure timing.

Overall, the Jets’ quarterback shuffle in this preseason window is less about declaring a winner and more about collecting credible information. Glenn’s framing suggests New York wants the organization to believe that Klubnik’s confidence is earned, not borrowed, and that the learning curve can start sooner than the original depth-chart timetable. If the Jets feel that way after the Buccaneers game, they will have a clearer picture of how to manage the position through the rest of the preseason and toward the regular season.