K.J. Britt is gone. The Patriots lost their practice squad linebacker to Detroit on Monday after the Lions signed him to their active roster to plug a hole created by Jack Campbell's neck injury. It's a small transaction—Britt saw action in just one game this season—but it's a telling one about how thin the linebacker room has become around New England.

This isn't a surprise move on the Lions' part. They lost a starting linebacker to injury and needed warm bodies immediately. Britt, 27, represented available depth with NFL experience. Detroit didn't overthink it. The real question is what it says about the Patriots' current linebacker situation. Eliot Wolf's front office is working with what amounts to a crowded-but-unproven unit: Xavier Holmes, Erick Hunter, Darius Muasau, Chad Muma, Robert Spillane, and others rotating through snaps. Britt was in the mix, technically on the roster, but apparently expendable enough that losing him doesn't crater the depth chart.

Mike Vrabel came to New England with a reputation as a linebacker guru. You'd expect the Patriots to be stacked at the position, or at least deeply invested in quality depth. Instead, what we're seeing is a unit held together with a mix of veterans and youth, none of whom have emerged as definitive answers. Losing a guy like Britt—even if he's a practice squad contributor—suggests the front office isn't confident enough in the current rotation to fight hard for roster spots. That's the real story here.

The Lions get a body who's seen NFL action. The Patriots move forward with who they have. It's a low-stakes transaction on the surface. But it hints at something more: this linebacker room still has questions, and New England didn't consider Britt critical enough to keep fighting for answers.

Based on reporting from Pats Pulpit.