The 2026 NFL Draft has come and gone, and for the Indianapolis Colts, it’s already time to look ahead. While training camp battles are still months away, General Manager Chris Ballard has crafted a roster full of intriguing competition—especially on defense. Let’s break down our way-too-early projection for the Colts’ Week 1 starting defensive lineup.

Up front, the defensive line looks formidable. Laiatu Latu and Arden Key are projected to bookend the edges, with DeForest Buckner and Grover Stewart anchoring the interior. The real battle to watch is opposite Latu, where Key’s veteran savvy gives him an early edge over rookie JT Tuimoloau. Experience often wins in September, and Key’s familiarity with the league could secure that starting nod.

At linebacker, the WILL spot is up for grabs between Davis-Gaither and fourth-round pick Bryce Boettcher. Davis-Gaither’s prior NFL experience—and especially his time in Lou Anarumo’s defensive scheme—makes him the early favorite. Scheme familiarity is a huge advantage when the pads come on.

The secondary sees a notable shift. We’re projecting that Kenny Moore won’t be on the roster come Week 1, as trade talks continue. In his place, Walley is expected to slide into the slot corner role. It’s a bold move, but one that could pay off if Walley adapts quickly.

At safety, Haulcy is set for a competitive summer. He’ll be battling Jonathan Owens, Juanyeh Thomas, and Hunter Wohler for snaps. What sets Haulcy apart? His versatility, ball skills, and raw upside—traits that often shine brightest during training camp battles.

With these pieces in place, the Colts’ defense has a mix of proven veterans and hungry newcomers. The next few months will determine who rises to the top, but the foundation is set for an intriguing season ahead.