Melky Cabrera has been a monster for the Giants this season, and it just so happens it's his age-27 season. Should we have anticipated this breakout? Not really, Ben Lindbergh writes, as there's little evidence to support the "age-27 effect."
Ben Lindbergh of Baseball Prospectus writes that Arizona Diamondbacks overcame long odds to make the playoffs in 2011, and they set a path for 2012 sleeper teams to follow. The Royals, Mariners and Pirates could fit the profile.