By Madison Williams The tennis superstar beat his second legend in as many days on Saturday. View the original article to see embedded media. Tennis superstar Carlos Alcaraz has had quite a week. On Thursday, he turned 19. On Friday, he beat Rafael Nadal in the quarterfinals of the Madrid Open becoming the only teenager to ever beat the Spaniard on clay. Then, on Saturday, Alcaraz beat the No. 1 player in the world, Novak Djokovic, in the semifinals. The Saturday match between Alcaraz and Djokovic lasted three and a half hours, ultimately finishing with the Spaniard’s 6–7(5), 7–5, 7–6(5) win o…