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				 The 25-year-old left-handed pitcher tested positive for 
				Ipamorelin, a performance-enhancing substance, in violation of 
				Major League Baseball’s Joint Drug Prevention and Treatment 
				Program. 
				 
				McKirahan, who was selected by the Chicago Cubs in the 21st 
				round of the 2011 amateur draft, appeared in three games for 
				Atlanta this season and compiled a 4.15 earned run average in 
				4-1/3 innings. 
				 
				"We are disappointed in the decision Andrew made," Braves 
				president of baseball operations John Hart said. 
				 
				"We are disappointed for him and for the ball club. This was a 
				guy who was beginning to pitch meaningful innings for us. The 
				guys have been grinding. This was not good for the club." 
				 
				The early MLB season has seen a rash of positive drug tests. 
				 
				Also hit with 80-game suspensions were New York Mets closer 
				Jenrry Mejia and Minnesota Twins starter Ervin Santana. 
				 
				(Reporting by Steve Keating in Toronto; Editing by Frank Pingue) 
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