He has an incredible first serve that rivals Andy Roddick's. His second serve is the best one of all time. It's known for producing aces during critical points. Pete also has fantastic smashes, and a deadly running forehand.
Sampras has won 14 Grand Slam Tournaments, and has earned the most career money off of tournaments alone: $43,280,489 (that doesn't include the several million dollars he's earned off of advertisements.
He also had an amazing rivalry against Andre Agassi.
He will pwn your ass with his running forehands.
He will anally rape your bitch-ass with his awesome serve and volley skills.