Pete Sampras ended his career with 14 Grand Slam men's singles titles, but if rival Pat Rafter's words are anything to go by, the American's greatness transcends his on-court achievements.

Pete Sampras was one of the greatest players to ever take the court, racking up 14 Grand Slam wins, 286 weeks at No. 1 and six consecutive year-end No. 1 finishes. Every great athlete needs a ...