Retired NBA megastar Shaquille O’Neal may be sidelined from the sport of basketball, but the former player has been far from idle. Now O'Neal has come forward with an interesting new edition to his Big Chicken Shaq web series. UFC News Shaquille O’Neal recently made a stop at the UFC Performance Institute in Las Vegas, Nev. During his stay, the former NBA player faced off against UFC Hall of Famer Forrest Griffin inside the octagon. O'Neal then took his chances against UFC women's strawweight Claudia Gadelha. Check it out within the video provided above. For more MMA news click here.