The Pittsburgh Pirates placed right-hander Chad Kuhl (shoulder) on the injured list on Thursday with right shoulder discomfort. Right-handed reliever Geoff Hartlieb was recalled from the alternate site. The Pirates also recalled corner infielder Todd Frazier from the alternate site and designated outfielder Dustin Fowler for assignment. Manager Derek Shelton pointed to Luis Oviedo, Sean Poppen and Duane Underwood Jr. as options to provide length in a potential bullpen game this Sunday ...