I had a chance to go see the Keys a couple days ago, and it made me wonder if Machado/Schoop is the best current pairing in the minors.  Machado is obviously, universally considered a top 10 prospect, but Johnathan Schoop is an up and comer who I think will burst his way into the top 50 range of most lists by the end of the season.  He is only 19, is naturally a SS but play 2b, and, while having a rough adjustment to high A, outplayed Manny at low A Delmarva. 

In this question I am not asking about system-wide, but simply, which minor league team has the top 2b/ss prospect combination at this time.