BA ranks the Yanks' top prospect by tools - 
BEST TOOLS 
Best Hitter for Average Jose Tabata 
Best Power Hitter Jesus Montero 
Best Strike-Zone Discipline Brett Gardner 
Fastest Baserunner Brett Gardner 
Best Athlete Austin Jackson 
Best Fastball Joba Chamberlain 
Best Curveball Joba Chamberlain 
Best Slider Joba Chamberlain 
Best Changeup Edwar Ramirez 
Best Control Ian Kennedy 
Best Defensive Catcher Francisco Cervelli 
Best Defensive Infielder Alberto Gonzalez 
Best Infield Arm Marcos Vechionacci 
Best Defensive Outfielder Austin Jackson 
Best Outfield Arm Seth Fortenberry  
It is important to keep in mind that TM (Phil) is no longer a 'prospect' for the purposes of BA rankings. If he were I'm sure he'd rank as Best Curve. 
For the purposes of going forward, I'd like to see them re-rank the pitchers without Joba; we know he's the goods, who's next, though?