He recently called him out via TMZ to meet him at 180 pounds, stating it would be amazing for the fans:
“I say let’s go do it. 180 is the perfect weight for me, I think it’s good for McGregor, and let’s go do it because that’s amazing. That’s for the fans.”
“It’s close to happening you know, but McGregor, come on, man. Let’s go do this. Don’t run, man, don’t run. You scared? I don’t believe that you’re scared, let’s go.”