Source: Strasburg to go on DL

From mlb.com: Nationals rookie pitcher Stephen Strasburg is likely headed to the 15-day disabled list because of a strained flexor tendon in his right forearm, according to a baseball source. The team may not make the move until Thursday, when Strasburg was originally scheduled to make his next start. Strasburg sustaiend teh injury in his last start against the Phillies.

It would mark Strasburg's second stay on the DL this season.