ESPN's Darren Rovell estimated that the Floyd Mayweather-Conor McGregor fight could bring in $30 million in betting handle at Nevada sportsbooks.
Much of that will come in the days leading up to the fight, but Chalk will be monitoring all of the biggest wagers in this file as they come in.
All odds courtesy of the Westgate Las Vegas SuperBook unless otherwise noted.
Opening odds (Feb. 16)
Biggest Mayweather bets
• On May 30, the Westgate took a $50,000 bet on Mayweather at -800, two weeks before the fight was made official. That bet would net a $6,250 profit with a Mayweather win.
• In the first few hours after the fight was made official Wednesday, CG Technology took a $45,000 bet on Mayweather.
Biggest McGregor bets
• Westgate took a $2,000 bet on McGregor at +600 and +550 odds
• Forty of the first 42 bets at Westgate were on McGregor, the biggest a $1,500 wager at +800 odds.