The answer is Nathan R., in the year 2011. He was 14 years old and played for the Cleveland Indians
The youngest f.I.f.A player is 22 year old Lionel Messi.
The 17-year old Feller became the youngest player ever to play a regular season game.
My 4 year old plays soccer with me
In 1974, Robin Yount became the youngest everyday player in baseball. He was 18 years old when he began his career with the Milwaukee Brewers.
No Pele is not the youngest, but he is the youngest to win a world cup at 17 years.
Joe Nuxhall, who as a 15-year-old in 1944, made history by pitching for Cinncinnati.
Yes
The youngest couple to get married were 9 year old Jayla and 7 year old Jose. http://www.citehr.com/209358-worlds-youngest-couple.html here is a link of their story.
21 years old not a year younger
20 year old
49 year old ...
The youngest hockey player in history was a little girl that was 2 years old