Despite there being no concrete updates regarding his next fight, UFC star Conor McGregor continues to promise fans that his comeback is for real this time. Still the most recognizable name in MMA to anyone outside of the combat sports world, McGregor is now closing in on five years on the sidelines since losing his trilogy fight with Dustin Poirier at UFC 264. One constant throughout McGregor’s ongoing absence from fighting has been his frequent activity on social media, and as of late the former two-division UFC champion has been posting about his intention to return to fighting in the very near future. Conor McGregor Returning to UFC "Whether They Like it or Not" Keeping with his recent trend, McGregor has shared another batch of sparring photos on Instagram and included a caption that seems directly targeted at those questioning whether or not the Irishman is actually serious about a UFC return. "Legs still sharper than a guillotine. Training with the young wolves, sharpening the blade.…