Bradley Chubb didn’t come to Buffalo just to change uniforms. He arrived as one of the Bills’ biggest offseason additions, and he’s already offering a glimpse into why the defense could look different - and better - under Jim Leonhard.
The Bills signed Chubb to a three-year deal after bringing him over from the Miami Dolphins, keeping him in the AFC East after he had been with Miami since 2022. His fit matters because Buffalo is moving from a 4-2-5 to a 3-4 defense, and that meant adding players built for the new system.
Chubb checks that box. He’s the kind of 3-4 outside linebacker who can get after the quarterback and also make plays against the run at or behind the line of scrimmage.
That makes him a key piece for a defense that’s been reshaped under Leonhard, who has taken over the unit from Sean McDermott. The expectation is for Buffalo to be more aggressive, attack the quarterback more consistently, and lean less on zone coverage than it did before. If Chubb stays healthy, there’s plenty of reason to think he can be highly productive in his first season with the Bills.
What really stands out, though, is how Chubb described Leonhard’s approach. ESPN’s Alaina Getzenberg reported Chubb’s comments about the new coordinator’s teaching style, and the message was clear: Leonhard isn’t just installing plays, he’s making sure the players understand the purpose behind them.
“The difference I've seen in him versus other DCs I've been with is, when we're installing, he's installing with the reason why we're installing. It's never just putting a play in just to put a play in".
“Each play has a purpose, has a reason, and he tells exactly what he wants out of us in that play. And when you got a guy like that, it's easy to play for because you know where you stand.”
That kind of clarity can go a long way for a defense trying to settle into a new identity. The Bills are banking on this group becoming more than just functional - they want it to stop being a weakness. Leonhard being direct with his players and laying out the “why” behind every call gives that effort a stronger foundation.
There are no guarantees, of course. But for a defense trying to take a step forward, open communication and a clear plan are a pretty strong place to start.
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