The Washington Nationals have placed catcher Carlos Maldonado on their 15-day disabled list, according to Bill Ladson of MLB.com. In a corresponding roster move, the Nationals have recalled first baseman Tyler Moore.

The Nats are placing Carlos Maldonado on the disabled list and calling up Tyler Moore. #Nats #MLB

— William Ladson (@washingnats) June 7, 2012

Maldonado has not appeared in a game for the Nationals since May 29 as he’s been dealing with a sore back. Prior to his injury, Maldonado only played in four games for the Nationals, going 0-9 with two walks and an RBI.

Maldonado’s injury means that the Nationals have now placed three catchers on their DL this season; the others being Wilson Ramos and Sandy Leon. Washington is left with a catching duo of Jesus Flores and Jhonatan Solano.

This will be Tyler Moore’s second stint with the Nationals this season. The 25-year old appeared in 12 games for the Nationals from late April through the end of May, going 3-19 at the plate over that span. Moore has spent a majority of the season with the Nationals Triple-A affiliate, where he has hit at a clip of .310/.372/.660 with 16 extra-base hits and 26 RBIs.