When the two videos are side by side, it’s hard not to see the difference in boxing experience. 

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McGregor shared his training video, along with the caption, “You’ve never seen these moves #Ghost.”

Mayweather shared his training video, saying, “I know I’m not the same fighter I was 20 years ago, I’m not the same fighter I was 10 years ago… As a matter of fact, I’m not the same fighter I was 5 years ago, I’m just an old legend putting in work in 16 oz gloves.”

A post shared by Conor McGregor Official (@thenotoriousmma) on Jun 29, 2017 at 1:51pm PDT

A post shared by Floyd Mayweather (@floydmayweather) on Jun 29, 2017 at 2:47am PDT