Comments on: Exploring the Arsenal – Marco Estrada http://www.piratesprospects.com/2012/09/exploring-the-arsenal-marco-estrada-3.html Your best source for news on the Pittsburgh Pirates and their minor league system. Thu, 29 May 2014 17:48:00 +0000 hourly 1 http://wordpress.org/?v=3.8.3 By: James Vargo http://www.piratesprospects.com/2012/09/exploring-the-arsenal-marco-estrada-3.html#comment-20350 Thu, 20 Sep 2012 02:12:00 +0000 http://www.piratesprospects.com/?p=42062#comment-20350 Season ended tonight….

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