The Dolphins’ backup tackle depth is under a microscope three weeks from Week 1. Austin Jackson and Patrick Paul, when healthy, anchor the right and left sides, but durability is the lingering question. The club has lost several backups to IR buys, including Germain Ifedi, Yodny Cajuste, and Bayron Matos, turning attention to a group once considered “inadequate” that’s slowly finding its footing in joint practices and August tests. With Armstead’s injury history and Tua Tagovailoa’s dependence on protection, any setback could trigger a domino effect on Miami’s passing game and the quarterback situation behind him. The good news: current backups are improving; the bad news: trust isn’t fully earned with the opener looming. There’s still time to add depth via free agency or late cuts, and the coaching staff remains hopeful that the line cohesion and technique translate to Week 1 readiness. The Dolphins have never had both starting tackles stay healthy in McDaniel’s tenure, so every rep matters as they navigate a pivotal early schedule and the weight of securing protection for their high-octane offense.