The Chicago Cubs are the clear-cut favorites to win the World Series, a feat that would end their 108-year championship drought and take a bite out of some, but not all, Las Vegas sportsbooks.

The Cubs are 9-5 to win the World Series at the Westgate SuperBook, followed by the Boston Red Sox at 9-2, the Texas Rangers at 5-1 and the Los Angeles Dodgers at 7-1. The Toronto Blue Jays and Washington Nationals are each 8-1, with the San Francisco Giants and Cleveland Indians each listed at 12-1.

Chicago is the worst-case scenario for the Wynn race and sportsbook, which, for the past two years, had offered a proposition wager on whether the Cubs would win the World Series in either 2016 or 2017. In March, the prop's odds were "Yes" +250 and "No" -300. Bettors sided heavily with "Yes."

Overall, three times as much money has been bet on the Cubs to win the World Series as any other team at the Wynn, including a handful of futures bets that would pay out six figures on a Chicago championship.

"The Cubs are a pretty substantial loss for us, not just for that prop but also for the [World Series] futures," Wynn executive director Johnny Avello said. "But I'm working on it. I've got about three weeks to play around and see what I can do." The Wynn is offering the Cubs at 2-1 against the playoff field, a -240 favorite. The wiser money, Avello said, has been on the field. But the betting public is overwhelmingly on the Cubs, per usual.

Station Casinos said it has taken twice as many bets on the Cubs to win the World Series as any other team. But not all of them are expected to be cashed, even if the Cubs win it all for the first time since 1908.

The last two years, the Wynn race and sportsbook has offered a proposition wager: Will the Cubs win the World Series in either 2016 or 2017? In March, the prop's odds were "Yes" +250 and "No" -300. David Purdum

"If they win, I bet several [bets] won't get cashed in and will be saved as mementos on the walls of many North Side Chicago homes and Cubs fans everywhere," Jason McCormick, sportsbook director for Station Casinos, said.

Betting on the Cubs to win the World Series has been a tradition in Las Vegas for decades. They are almost always among the most popular picks by the betting public. Bookmakers even joke about how many casinos have been built off of the Cubs World Series bets.

"This might be the year they catch up to us," Avello added.

Don't worry, though, Las Vegas is expected to be able to withstand a Cubs championship.