Comments on: The Most Impressive Thing About Gregory Polanco Your best source for news on the Pittsburgh Pirates and their minor league system. Thu, 22 May 2014 00:30:00 +0000 hourly 1 By: John Lease Mon, 08 Apr 2013 16:48:08 +0000 I thought the most impressive thing about him is that he is in A ball. Every team has prospects in A ball, even the worst team in the majors.