Alva Review-Courier -

MEMPHIS, Tenn. (AP) — On a steamy summer morning in Memphis, students spanning decades in age filed into Stardust Jiu Jitsu, a small gym space that faces Sam Cooper Boulevard in the Binghampton area.

On a black mat custom-cut to fit a slim space, clad in ultra-light wrestling shoes, the students pair up and start practicing take-down combinations.

As a network of sweat puddles on the mat start to snake around a barrage of dropped knees and elbows, Lucas Trautman, the gym's owner, weaves between pairs of wrestlers, doling out coaching tips like "Get the inside control," or "Take your shot!"

Tra...