The 2026 NFL draft is in the rearview mirror and the Los Angeles Chargers still have unanswered questions. The Chargers replaced both of their coordinators this offseason with Mike McDaniel offering a complete overhaul of the offensive scheme and Chris O'Leary returning to the Bolts to call plays for the same system that his predecessor Jesse Minter and mentor installed. The selections made in the draft, on top of the moves made in free agency, have led to glaring cues on how Jim Harbaugh is assembling his team. Harbaugh and general manager Joe Hortiz have made calculated moves to rebuild the depth of the roster even with the undrafted free agents that will be competing for a spot in training camp. How the defense is rounding into form Denzel Perryman | Kirby Lee-Imagn Images New Chargers defensive coordinator Chris O'Leary will have much of the 2025 defense returning to fold for his first chance to call plays in the NFL.…