Comments on: Exploring the Arsenal: Previewing the Astros’ Probable Starting Pitchers Your best source for news on the Pittsburgh Pirates and their minor league system. Mon, 17 Nov 2014 16:32:00 +0000 hourly 1 By: HankS Fri, 15 Jul 2011 19:25:00 +0000 Matt could you help explain what I’m looking at here lol?  I dont understand the chart to good at all?