Marc Topkin writing for BaseballAmerica (in his monthly Rays correspondence piece) picks the best player (Hak-Ju Lee), best pitcher (Chris Archer), and one to keep an eye on (Todd Glaesmann) from the 2012 season. It's insider-only, but:
"Lee hit .261/.336/.360 with 37 steals for Double-A Montgomery in his first full season above Class A, but the most impressive numbers were 46—the length (in games) of his streak for reaching base—and 21, the length of his longest hitting streak. With his smooth glove and quick hands and feet, Lee should continue his ascent."
I'm hoping this was Topkin picking the top positional prospect heading into 2013 and not the best 2012 season from a top-30-or-so guy, because .261/.336/.360.