 Nathan earned his first save at Target Field on April 8 , 2011 . He emptied the container of dirt he took from the Metrodome on the mound at Target Field before pitching . On April 18 , Nathan was replaced at closer by Matt <unk> after going 3 for 5 in save opportunities . On May 28 , 2011 , Nathan was placed on the 15 @-@ day disabled list with a right <unk> muscle strain . Chuck James was called up to take his place . 
