There are 3 rounds.
The first round has 8 players and the top 4 players advance to the second round.
The second round has 4 players and the top 2 players advance. The totals for the first round are counted again in the second round - a good first round can sometimes guarantee entrance to the final round.
The final round is head-to-head.
There are up to 40 rounds.
Baseball's amateur player draft has 50 rounds
franchise, home run derby,postseason, practice
This year (2011) Robinson Cano won it.
Ken Griffey Jr.
Angels Garret Anderson won the 2003 All Star game Home Run Derby.
Ken Griffey Jr. is only one I know about
They played America the sweet.
Robinson Cano of the New York Yankees.
Baltimore Orioles Miguel Tejada won the 2004 All Star game Home Run Derby.
New York Yankees Jason Giambi won the 2002 All Star game Home Run Derby.
Los Angeles Angels Vladimir Guerrero won the 2007 All Star game Home Run Derby.