Jordan Zimmermann and the Nationals hope to complete a doubleheader today against the Blue Jays. Get live updates on Nats Insider!
The Nationals' team doctor has confirmed the original diagnosis of Stephen Strasburg's strained left trapezius muscle, leaving the right-hander idle until the injury heals.
The Nationals' bullpen has been an ever-changing unit so far this season, with 16 different relievers used in only two months.
Monday night's game between the Nationals and Blue Jays has been postponed. The two teams will play a doubleheader on Tuesday.
Nationals pitchers Doug Fister and Sammy Solis each threw bullpen sessions at Nats Park for the first time in their respective rehabs.