The Toronto Blue Jays activated Jesse Litsch from the disabled list Monday and optioned the right-hander to triple-A Las Vegas.
Blue Jays right-hander Jesse Litsch was placed on the 15-day disabled list because of an impingement in his right shoulder.
Roy Halladay pitched seven scoreless innings and Eric Hinske hit a two-run homer to lead the Blue Jays over the Nationals 7-0.
Mets right-hander Shaun Marcum developed neck discomfort during a bullpen session Monday and is in jeopardy of opening the season on the disabled list.
Blue Jays pitcher Sergio Santos will miss the rest of the season with a shoulder injury.
Toronto Blue Jays starter Dustin McGowan has experienced shoulder pain while rehabilitating a foot injury and will be shut down for two weeks.
Toronto Blue Jays right-hander Dustin McGowan, sidelined since July 2008 because of shoulder surgery and a subsequent knee injury, is throwing and playing catch.
The Toronto Blue Jays lost pitcher Casey Janssen for the season with a shoulder injury.
Cy Young winner Roy Halladay will miss his next scheduled start for the Toronto Blue Jays with a sore right shoulder, but the injury doesn't appear to be serious.