Royal Portrush hosts the 153rd edition of The Open Championship, and Northern Ireland’s own Rory McIlroy is among the betting favorites entering the men’s final major of the season. But he’s not THE favorite.

Vegas oddsmakers have some ideas on who might be walking away from Portrush as a major champion. Here's a look at this week's betting odds.

If the U.S. Open taught us anything, it is that the outsider still has a chance to win a major championship. Following a run of winners that read Scottie Scheffler, Xander Schauffele, Bryson DeChambeau and Rory McIlroy, it was J.J. Spaun who reigned supreme at Oakmont Country Club.