Undefeated boxing icon Floyd Mayweather Jr. returns to the “sweet science” this weekend against Japanese MMA standout Mikuru Asakura for a special exhibition bout under the RIZIN banner in Saitama, Japan. After that, “Money” will make a quick turnaround for a celebrity squash match against YouTube personality “Deji.” A quick Google search tells me “Deji” is the brother of fellow YouTuber “KSI.” No disrespect intended to anyone involved but I can’t imagine these exhibitions are worth the Mayweather price tag. Or maybe they’re designed to keep the 45 year-old “Pretty Boy” in shape until his Conor McGregor rematch gets finalized…