ESPN's Darren Rovell estimated that the Floyd Mayweather-Conor McGregor fight could bring in $30 million in betting handle at Nevada sportsbooks. It looks like it will far surpass that number.
Chalk has been 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)
Mayweather -2500
McGregor +1100
Current odds
Mayweather -460
McGregor +355
Biggest Mayweather bets
• On Saturday afternoon, the Mirage took a $1 million bet on Mayweather to win at -600 odds. The South Point also took a $1 million bet on Mayweather to win at -500 odds.
• On Saturday, CG Technology took a $220,000 bet on Mayweather to win at -540 odds.
• The Wynn sportsbook took two separate $1 million bets on Mayweather to win, per executive director Johnny Avello.
• The MGM sportsbook took a $1 million bet on Mayweather at -550 odds from a VIP casino guest, who wired in the money to the casino cage ahead of the wager, MGM vice president of race and sports Jay Rood told ESPN. The bet would net just under $182,000, if Mayweather prevails.
• Shortly after, William Hill's Nevada sportsbook reported taking a $1.2 million bet on Mayweather at -500 odds from a customer who paid cash. That bet would net $240,000.
• William Hill's Nevada sportsbook on Wednesday took a $300,000 bet on Mayweather at -500. The bet would net $60,000.
• The sportsbook at Planet Hollywood on Wednesday took a "near-six-figure" bet on Mayweather at -500. It was one of several larger bets to show up on Mayweather on Wednesday. "Seems like there's a buy on Floyd at -500 right now," a sportsbook manager for Caesars Palace said.
• The MGM sportsbook on Wednesday took a $500,000 bet on Mayweather at -550. It's believed to be the second-largest bet on the fight in Las Vegas that's been reported. Gavin and Joe Maloof bet $880,000 on Mayweather last week at the South Point casino. The Las Review-Journal reported that even with the big bet on Mayweather, MGM is still facing million-dollar liability on McGregor.
The story is the same at books around town. For every one bet on Mayweather, there are 11 on McGregor. Yet, the big money is on the side of Mayweather. At CG Technology, as of Wednesday afternoon, the average amount wagered on McGregor was $137. The average amount bet on Mayweather was $5,900.
• The sportsbook at Paris Hotel, a Caesars Palace property, took a $60,000 bet on McGregor at 4-1 on Monday. The bet would net $240,000. As of Monday afternoon, the Caesars Palace books had taken 3,000 bets on McGregor and just over 200 on Mayweather.
• Las Vegas sportsbook operator CG Technology on Aug. 20 dropped the price on Mayweather to -490 and attracted a six-figure bet on the boxing champ. CG Technology books were offering Mayweather at -500 and McGregor at +400 on Monday afternoon (Aug. 21).
• Johnny Avello, executive director of Wynn race and sports, told ESPN on Friday (Aug. 18) that he has taken multiple $250,000 bets on Mayweather.
• The South Point Sports Book took an $880,000 bet on Mayweather at -550 odds on Aug. 11. If Mayweather defeats McGregor, the bettor would net $160,000.
• On July 28, the Westgate took a "low six-figure" bet on Mayweather at -600 to defeat McGregor.
• On July 3, the Westgate took a "low six-figure" bet on Mayweather at -650 to defeat McGregor.
• 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, CG Technology took a $45,000 bet on Mayweather.
Biggest McGregor bets
• The MGM sportsbook took two $100,000 bets on McGregor from separate customers Friday morning. One bet was placed at +400; the other was placed +375, according to MGM vice president of race and sports Jay Rood.
• On Friday morning, CG Technology took a $20,000 bet on McGregor to win +450. The bet would win $90,000.
• On Thursday, the South Point took a $50,000 wager on McGregor to win at +450. The bet would win $225,000.
• MGM's sportsbook took a $75,000 bet on McGregor to beat Mayweather at +400 on Aug. 13. "As of today, if McGregor wins, we stand to lose over $2 million," MGM assistant manager Jeff Stoneback said.
• William Hill US took three separate $50,000 moneyline wagers on McGregor to win (one at +475, two at +425) on July 24. The $150,000 bet would win $662,500.
• Westgate took two "five-figure bets" on McGregor on July 24.
• At South Point Sports Book, one bettor wagered $35,000 on McGregor to win by KO at 6-1 odds on July 24. That bet would win $210,000.
• 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.
General nuggets
-- Las Vegas sportsbook operator CG Technology, which runs the books at the Venetian, Cosmo, M Resort and others, said June 26 that it already is facing a multiple six-figure decision on the fight. According to vice president of risk Jason Simbal, there have been 13 times more bets on McGregor than Mayweather.
-- The betting action on the fight remains "surprisingly brisk" at Station Casinos' sportsbooks, where for every one bet on Mayweather there have been 15 on McGregor.