300lb Kai Greene Guest Posing at the 2010 IFBB Jacksonville Pro! August 9, 2010 by GoldenMuscles 300lb Kai Greene Guest Posing at the 2010 IFBB Jacksonville Pro! Watch fotos and video. [Show as slideshow] Watch video. http://rxmuscle.com/videos/c-interviews/1835-300lb-kai-greene-guest-posing-at-the-2010-ifbb-jacksonville-pro.html