Houston's defense reigns supreme while the Giants have stepped up late. Here's our ranking of all 32 NFL units heading into Week 18.

The Hoosiers' defense is coordinated by Bryant Haines, named for the former Alabama coach, who looks to tame the Tide. Here's how he rose to the top of his profession.

Penn State football already must replace its four starting defensive linemen in 2026. Now, it may be losing its top backup, too.

Jon Sumrall has his work cut out as Florida is preparing to lose a half-dozen players in its defensive backfield once the college football transfer portal opens up.