The Nationals have placed RHP Jordan Zimmermann on the DL with a sore elbow and called up Colin Balester from the DL to replace him according to Ed Price on Twitter .

Zimmermann was 3-5 with a 4.63 ERA in his first major league season.

The 23 year old Balester was 7-9 with a 4.35 ERA at AAA Syracuse this year in 19 games started.

Ouch

According to Will Carroll’s twitter feed, Scott Olsen will have season ending surgery to repair the labrum in his shoulder.  The Nats have plenty of young pitching to try to replace him.