The impact of trading draft picks 

May, 31, 2013
Clay BuchholzAP Photo/Michael DwyerCould teams unearth another Clay Buchholz with their competitive balance picks?
For the first time in the history of Major League Baseball’s amateur draft, teams own the ability to trade draft picks.

They are the draft picks resulting from the Competitive Balance Lottery, which took place last July. In other sports you can trade any draft pick, but in MLB's draft only the competitive balance picks can be traded. It's a new wrinkle that will shake up the draft a little bit.