By Daniel Orme Tennis iconPete Sampras looks completely different over two decades after hanging up his racket. The 52-year-old retired from the game back in 2003 after a stunning career that saw him become one of the best players in the world. Sampras won14 major Grand Slam titles during his career, with 18 final appearances in all. His first victory came against Andre Agassi at the 1990 US Open, while he also went out on a high against the same opponent on the same stage 12 years later. Sampras also claimed the world number one ranking in 1993, a position he held for 286 weeks. And the man w…