Tonight at 8PM est is the MLB annual Home Run Derby contest. The rules for the 8 participants are as follows: The 8 particpants are:Lance Berkman, Ryan Braun, Josh Hamilton, Evan Longoria, Dan Uggla, Justin Morneau, Chace Utley, and Grady Sizemore.

Opening Round
Each player gets 10 outs to hit as many home runs as possible.
The four players with the most home runs hit in the Opening Round advance to the Semi-Final Round.

Semi-Final Round
Home runs totals from the first round will carry over to the second round. Each player gets 10 outs to hit as many home runs as possible per at bat. The two players with the most home runs in the Semi-Final Round advance to the Championship Round.

Championship Round
Home runs from the first two rounds do not carry over to the Championship Round; Opening and Semi-Final Round totals are cleared from the board. Each player gets 10 outs to hit as many home runs as possible. The player who hits the most home runs in the Championship Round is declared the Home Run Derby champion.

Rules
An out is registered when a player swings at a pitch and does not hit a home run. A ball hit over the fence must be fair to count as a home run.