Dennis Rodman - He was 5'6 in high school. Then at the age of 19, he went from 5'9 to 6'8! Almost a foot! Growing pains....ouch.
David Robinson - 5'9 his junior year of high school and 6'7 his senior year and then 7'0 in College.
Scottie Pippen - Entered college at 6'1. Final height? 6'8.
Michael Jordan - He grew from 5'10 to 6'3 from his sophmore to junior year in highschool. Final Height is 6'6. I also heard no one in his family is over 6'0, but that was from only one source so not sure.
Chris Anstey - Played tennis until age 17. Then started playing basketball and grew 7 inches. Final height was 7'0. Hmmm did he grow taller because of basketball?
Tim Duncan - Grew 8 inches in some of his highschool years and now maxes out at 6'11.
Lamar Odom- Was 6'2 as a highschool point guard. Out of nowhere he hit a huge growth spurt to 6'9.
Manu Ginobli- Hes from Argentina, a country whose average height is 5'8 1/2. Both of his brothers were late bloomers, and reached 6 ft in their teens. Manu was also a late bloomer and in two years, he shot up 10 inches from 5'8 to 6'6.