Seve Ballesteros
no one
Michael_Phelps15 years and 9 months, the youngest man everto win swimming meddles
35 years old - the youngest person ever to win
Ken Rosewall at the age of 18 years and 2 months, in 1953.
Yes. Ryan Sheckler is the youngest skateboarder (currently) to ever win a gold medal at the x games. He was only 13 when he won this medal.
Randy Orton was the youngest World Heavyweight Champion
Michael Phelps in swimming
No Golfer has ever won the Grandslam.
Chuck Norris
Yes, he was. On February 5, 2006, Ben Roethlisberger, at age 23, became the youngest quarterback to ever win the Super Bowl.
he was the youngest ever to win the Masters tournament, on April 13,19997.