Top 12 for '12: Shelby Miller No. 2
Miami Marlins catcher Rob Brantly made his "Top 12 for '12" debut at No. 3 last week, and it turned out to be his only appearance; he was called up to the big leagues this week. Barring injuries, we're reaching a brief slow period in terms of call-ups, as clubs likely will wait two weeks for September roster expansions, when call-ups are much easier on a logistical level.
2012 Rookies/Prospects Coverage
Who's next? And what should we expect from them? ESPN Insider has all the info you need on rookies and prospects, such as Wil Myers.