Spanish teen Carlos Alcaraz wins U.S. Open, earns No. 1 ranking in men's tennis
Carlos Alcaraz used his combination of moxie and maturity to beat Casper Ruud 6-4, 2-6, 7-6 (1), 6-3 in the U.S. Open final on Sunday to earn his first Grand Slam title at age 19 and become the youngest man to be ranked No. 1.