​College football is loaded with top-end defensive backs in 2026, with names like Leonard Moore, KJ Bolden and Bray Hubbard returning to school.While having a lockdown cornerback is a luxury not many teams have, having depth in the secondary is even more rare — especially in the current era of roster building with NIL and the transfer portal.$50 million rosters. $5 million QBs: What it costs to build a college football contender Who’s too high, too low? USA TODAY Sports’ Top 100 College Football Players for 2026Trusting a defensive back to be on an island in man-to-man coverage with an opposing receiver opens up a world of possibilities for a defense, especially in college football.Each of these five teams have top-tier talent and depth that sets them apart from the rest of the sport. Here’s a look at USA TODAY Sports’ best secondaries heading into the 2026 season:1. AlabamaAlabama not only has one of the most talented secondaries in college football, but also one of the most experienced.The Crimson Tide returns five starters from last season in its secondary, led by Hubbard and cornerback Zabien Brown, both of whom were full-time starters in 2025. They’re joined by safety Keon Sabb, cornerback Dijon Lee and projected nickelback Red Morgan, all of whom started games last season.A preseason All-American by numerous outlets, Hubbard is one of the best playmaking defenders in college football. The former high school quarterback earned first-team All-SEC honors last season after finishing with 74 total tackles, three forced fumbles and four interceptions.Brown was a gamechanger, too, with a pick-six last season against Tennessee and Oklahoma, the latter in the College Football Playoff. Altogether, Alabama returns 81 combined starts from its five projected starters this season.2. Notre DameMoore gains loads of attention for being the consensus best cornerback in America and one of the top prospects for the 2027 NFL Draft, but the Fighting Irish collectively make up one of the best defensive back units in college football thanks to plenty of NFL talent.Tae Johnson emerged as one of the best safeties in college football in his first year as a full-time starter in 2025, with 48 total tackles and four interceptions. Colorado transfer DJ McKinney will line up opposite him after registering 95 total tackles with four interceptions in two seasons with the Buffaloes, while Johnson will be joined by Adon Shuler, a team captain with two interceptions and two fumbles in 2025.Notre Dame’s defense will be very multiple this season, thanks to its secondary’s ability in coverage.3. GeorgiaBolden leads a Georgia secondary that has loads of talent. A preseason All-American, Bolden has elite speed at safety for the Bulldogs, and is regarded as the top safety prospect in the 2027 NFL Draft after tallying 76 total tackles with two interceptions and seven passes deflected.He’ll be joined by top cornerback Ellis Robinson IV, a former five-star recruit who fini