Rory McIlroy Won the Masters — Here’s What Defending Champion Status Does to His Odds for the Rest of the Majors

Rory McIlroy is now a back-to-back Masters champion. He finished at 12 under par at Augusta National, birdied 12 and 13 at Amen Corner in the final round, and held off a charging Cameron Young to claim his second consecutive green jacket. In doing so, he joined Jack Nicklaus (1965-66), Nick Faldo (1989-90), and Tiger Woods (2004-05) as the only players ever to successfully defend the Masters title. He now has six major championships, and the betting markets are paying very close attention.

Where McIlroy Entered the Masters

The number that puts this win in context: McIlroy was +1200 at most books heading into Masters week, after his back issues kept him off the course for nearly a month. He had dropped to as long as +1600 at some shops by Thursday morning, making this one of the more value-rich major victories for anyone who stayed loyal to Rory as a pick. By Friday night, with a six-shot lead in hand, he was sitting at -250 to -280 at multiple sportsbooks. The market moved 14 to 15 price points in his favor in 36 hours.

The 90th Masters also produced a genuine final-round drama. Young shot a stunning third-round 65 to share the lead entering Sunday, and Scheffler made a charge as well. But McIlroy birdied the par-5s at Amen Corner and did not look back.

What Defending Champion Status Does to His Market Price

The three remaining majors in 2026 are the PGA Championship at Aronimink Golf Club in Newtown Square, Pennsylvania (May 14-17), the US Open at Shinnecock Hills Golf Club in Southampton, New York (June 18-21), and The Open Championship at Royal Birkdale in Southport, England (July 12-19). Here is what the books have McIlroy at for each.

For the PGA Championship at Aronimink, McIlroy is sitting around +800 to +900 at major sportsbooks — roughly second or third on the board behind Scottie Scheffler, who opened as the defending PGA champion. The course is returning to PGA Championship rotation for the first time since 1962, which creates something of a blank slate for historic form comparisons. McIlroy has been in contention at the PGA Championship multiple times in his career and won it in 2012 and 2014, so the format suits him.

At the US Open at Shinnecock Hills, McIlroy is in the +900 range, again behind Scheffler and Bryson DeChambeau. Shinnecock is one of the most demanding venues in American major championship golf, and McIlroy’s US Open record is strong — he won it at Congressional in 2011 and has had multiple runner-up finishes in recent years, including in 2023 and 2024.

The Open Championship at Royal Birkdale is where McIlroy’s odds get particularly interesting. He is consistently listed among the top two or three choices for the British Open, and for good reason. Birkdale is an English links course, a format McIlroy handles extremely well. He won The Open at Royal Liverpool in 2014 and has a deep affinity for links conditions. Expect his price at Birkdale to shorten further as July approaches, especially coming off back-to-back major wins at Augusta.

The Calendar Grand Slam Conversation

Here is the question the market is already pricing in, even if nobody wants to say it out loud: could McIlroy win all three remaining majors in 2026? The calendar Grand Slam — all four majors in the same year — has only been achieved once in the modern era, by Tiger Woods in 2000-01 in what was technically a two-season version. Winning all four in a single calendar year has never been done in the modern game.

Most sportsbooks offer a prop for winning all four majors in a calendar year, and McIlroy’s price on that market is understandably astronomical given that only one hurdle has been cleared. But the more realistic conversation is about whether a player who has already won the Masters can genuinely contend at three more consecutive majors. The historical answer is: sometimes. Tiger did it. Nobody else in the modern era has come close. That McIlroy is even part of this conversation after winning two straight Masters speaks to where he is in his career right now.

The Betting Angle Moving Forward

McIlroy is going to be one of the most bet golfers at every major for the rest of 2026. The sportsbooks know it, which means his prices will reflect public demand, not just statistical probability. That is actually relevant for bettors. When a player is this heavily bet, books shade their prices accordingly, and finding value on McIlroy outright at each remaining major will require patience and timing.

The smarter plays may be in the placement markets. McIlroy to finish top 5 or top 10 at the PGA Championship and US Open will offer better value than outright win prices that have absorbed public money. For Royal Birkdale, given his links pedigree, the outright market may actually offer better relative value than it appears on the surface, especially if he enters July carrying the momentum of a third consecutive major contention.

Either way, the summer of 2026 just became Rory McIlroy’s stage to claim or lose. The books have spoken: he is the man to beat for the rest of the year.