Here's one fight Floyd Mayweather Jr. should have forfeited. The boxer has been sentenced to serve 90 days in jail for beating up his children's mother in front of them. According to TMZ, Mayweather was sentenced to six months in jail, but three months of that sentence was suspended. He also gets three days credit for time he has already served.

Mayweather was arrested in September 2010 after his ex-girlfriend accused him of striking her "multiple times in the head with his fist" and then threatening to kill her.

Floyd struck a plea deal with prosecutors in the case--in which he pled guilty to misdemeanor domestic violence--in exchange for getting a pass on the felony battery charge. The boxer also pled no contest to two misdemeanor harassment charges, after allegedly threatening to beat his kids as well during the incident.

Besides his incarceration, Mayweather has also been ordered to do 100 hours of community service, complete a 12-month anger management program and pay a $2,500 fine.

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 (Photo: Al Bello/Getty Images)