Tennis: Sampras crashes out in Miami

Defending champion Pete Sampras was blasted out of the Masters Series event in Miami by American teenager Andy Roddick.

Eighteen-year-old Roddick was included in Patrick McEnroe's first American Davis Cup squad, but had not previously backed up the hype surrounding him by beating a big-name player.

But the wild-card entrant dumped 13-time Grand Slam winner Sampras out in round three of the second Masters Series event of the season, winning 7-6 (7/2) 6-3 in the first match of the day on Stadium court.

Fourth seed Sampras has not made the most convincing start to the season, but reaching the Masters Series final at Indian Wells last week looked to have put him back on track.

But this defeat suggests otherwise and Roddick will face either Sebastien Grosjean of France or Romanian Andrei Pavel in the last 16.