[clarkzac]

Thanks everyone for the insight. Looks like I'll be holding on to the players prospect card through rookie card and let everything else go. Is it safe to assume that most prospects won't have a rookie card?

I'm confused by your question. If a prospect makes it to the big leagues, he will have a rookie card. Everything before that is considered a prospect card. Of course there are a lot of prospects that never make it to the big leagues, thus meaning that he will never have a rookie card, but he may have a prospect card made at some point