CARNOUSTIE, Scotland (AP) — Two rounds of 63, made eight months apart and on different sides of the Atlantic, are fuelling the belief that Tommy Fleetwood can end the American dominance of the majors at the British Open. The first came at the Dunhill Links Championship in October when he broke the course record at Carnoustie, where the world's oldest major will be staged this week. Then came another in the final round of the U.S.