No. 48 -- Pete Sampras ESPN SportsCentury : Season 1 Episode 4

Pete Sampras was a professional tennis player. His professional career began in 1988 and ended at the 2002 US Open, which he won, defeating rival Andre Agassi in the final; he is the only man in the open era to have won the final Grand Slam tournament at which he competed. Sampras won 14 Grand Slam singles titles during his career.