Heading into day three, we wrote about how teams usually pick better players on day three than on day two, and how day three is what really defines a draft. Of course, day three doesn't immediately define the draft.

The big thing fans are looking for on day three are prep players. They might not be as highly rated right now as the college guys, but prep players have a chance to grow over the next few years. There are so many stories -- including the story of Pirates' first round pick Travis Swaggerty -- of players who went undrafted out of high school, only to go in the first round three years later. Get enough prep players in your system and you might have a guy who develops enough in your system that he would have been a first rounder.

The Pirates took eight prep players on day thr...

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