The Pirates have claimed Marlins' pitcher Hayden Penn off waivers. Penn is out of options, so he must be placed on the 25-man roster. A corresponding roster move must be made to make room for him on the 40-man as well.
UPDATE (3:20 PM): Jen Langosch reports that the Pirates have designated Brandon Moss for assignment.
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Matt has covered the Pirates at Wait ‘Til Next Year, Pittsburgh Lumber Co. and now Pirates Prospects. He served as Pirates team expert for Heater Magazine in 2009 and 2010 and has contributed to Graphical Player 2009, 2010 and 2011. Matt was also the editor of the 2011 and 2012 Pirates Prospects Annuals.