And the former featherweight champion sounds as though he wants another bite at the big-time, calling out money man Mayweather in a tweet.
The Irishman wrote: “Boxing is great, I am going to relish another go!
The reaction from Twitter users was mixed, with some fight fans blasting McGregor saying the Irishman had his chance but failed to produced the goods.
One wrote: “bro you’d get slapped no lie.”
Others suggested that McGregor was only interested in a return to boxing for the financial reward.
Another Twitter user said: “Must be needing money…”
Brit fighter Amir Khan has previously called the Irishman out but that fight has yet to materialise.