The Bellator Lightweight World Grand Prix is officially underway and undefeated incumbent champion  Usman Nurmagomedov   (17-0), as well as No. 4-ranked  Alexander Shabliy   (23-3) will be advancing in the tournament following impressive stoppage victories at  Bellator 292: Nurmagomedov vs. Henderson  on Friday.  Nurmagomedov stopped Benson Henderson midway through the first round after knocking “Smooth” down with a head kick. Exactly 17 years to the day after Bellator President Scott Coker promoted the first sanctioned mixed martial arts event in California,  Bellator 292  will also be remembered as the final time surefire future MMA Hall of Famer and former UFC world champion  Benson “Smooth” Henderson   laid down the Bellator gloves and retired from active competition. Rounding out the main card, No. 2-ranked  Linton “Big Swarm” Vassell   (24-8) emphatically knocked out former interim champion  Valentin Moldavsky   (11-3, 1 NC), earning himself another shot down the line at Ryan Bader’s BELLATOR Heavyweight World Championship