I've read a lot on Sano and he has all the tools to be a great baseball player. In 2009 had he been in the draft he would have been in contention for the #1 overall pick. His primary position is shortstop but I don't know anybody who thinks he's going to be able to stay there and they are planning on moving him to 3rd base and it really depends on his footwork if he can stay there long term. His bat profiles to play anywhere on the field though and he has great raw power. Aaron Hicks & Kyle Gibson are ranked ahead of him by most in the Twins organization but not by much. I'd say he is definitely worth holding on to.
Looking for 2011 Topps Tribute Black Refractors #'d/10: 69/100 so far