Former world No. 3 Pam Shriver thinks the presence of Rafael Nadal and Juan Carlos Ferrero has absolutely played a part in Carlos Alcaraz’s rapid rise and success. Alcaraz, 18, is coached by former world No. 1 and 2003 French Open champion Ferrero. Also, Alcaraz can turn to record 21-time Grand Slam champion Nadal for advice whenever he needs one. “I feel like he’s had an incredible, a couple of really outstanding role models to look up to,” Shriver said on Tennis Channel’s Inside-in Podcast.”Rafa Nadal, obviously also from Spain and the champion mindset and work ethic that N …