Kansas City (4-1), which closed as a 10½-point favorite, suffered its first loss of the season in a 19-13 defeat to Indianapolis on Sunday night at Arrowhead Stadium.
Betting
The four-time major champion is the 8-1 favorite to win the year’s final major at Royal Portrush, where he has the course record, in his native Northern Ireland.
The Westgate and William Hill sportsbooks had six figures of liability on Tiger Woods and Phil Mickelson, and neither golfer threatened.
The day after the prop was posted at the Westgate sportsbook, a bettor placed a $5,000 wager to win $6,500 on Koepka to go over 7½ majors at plus 130.
The golfer misses the cut Friday at the PGA Championship, and sportsbooks won’t have to sweat out a large number of bets that he would win the 2019 Grand Slam.
The Masters champion is the 8-1 favorite to win the PGA Championship, the year’s second major, which begins Thursday at Bethpage Black in New York.
Wisconsin resident James Adducci placed a $100,000 bet at SLS Las Vegas on Wednesday on the golfer to win the next three majors at 100-1 odds and complete the 2019 Grand Slam.
A William Hill gambler placed an $85,000 wager to win $1.19 million on Tiger Woods to capture the Masters at 14-1 odds. The wager represents the largest liability for an individual golf wager in William Hill’s U.S. history.
Rory McIlroy is the 7-1 favorite to win his first green jacket, and Tiger Woods is at 14-1 odds to win his fifth.
