WHO WANTS THE SMOKE?
Lamar Odom is back ... but the 2x-NBA champion isn't returning to the hardwood -- he's fighting!!
TMZ Sports has learned that the 41-year-old ex-NBA star has inked a deal with Celebrity Boxing ... and will step into the ring on June 12 at the Showboat Casino in Atlantic City, NJ.
The 6'10" Odom doesn't currently have an opponent ... but CB creator Damon Feldman tells us he's working on a big-name celeb to duke it out with Lamar.
Of course, Odom is no stranger to fighting .