Open Championship 2026 odds, betting, lines: Scottie Scheffler, Rory McIlroy are favorites in golf's final major of the year

The 2026 Open Championship begins Thursday at Royal Birkdale Golf Club in Southport, England, with defending champion Scottie Scheffler installed as the +750 betting favorite. Scheffler, the world No. 1, won the 2025 Open Championship and is entering his 16th consecutive major as outright or co-favorite. Rory McIlroy is the second choice at +900, while Scheffler has recorded nine top-10 finishes in 2026, including a runner-up at The Masters and a T4 at the U.S. Open.