According to various reports, Floyd Mayweather wagered more than $2.9 million in nine different Las Vegas sportsbooks on Michigan beating the 14-point spread against favored Alabama on Saturday night.
The heavily-followed Twitter user @incarceratedbob was the first to report the information, which has since been confirmed/regurgitated by other sources.
Mayweather was guaranteed $32 million from his May bout with Miguel Cotto. He went to prison days later and ended up serving two months of a three-month sentence for domestic violence.
The 35-year-old boxer has been known to make big wagers in the past, including winning bets on the Clippers in a regular season game ($1.9 million) and against Tim Tebow's Denver Broncos in the AFC divisional playoffs ($1 million).
"I've won a lot of money on games, I've lost a good piece of money on games," Mayweather told MLive.com in April.