Washington Nationals have been plagued with injury after injury since spring training. They might be dealing with their biggest injury yet as Ryan Zimmerman was sent for an MRI on Tuesday night.

After experiencing inflammation in his shoulder on Saturday, Zimmerman rested for three days and was expected to return to the lineup on Tuesday against the San Diego Padres. 

On Sunday morning he said that he did not "see any reason right now why I won't play Tuesday." However, he was left out of the lineup because he still felt pain when he swung a bat. 

Amanda Comak tweeted that manager Davey Johnson said the Nationals fear Zimmerman's dealing with a strain that could keep him out at least a week, but are still hoping for the best.

Johnson seemed worried later on when he spoke of Zimmerman, saying, "I don't have a good feeling, I mean, he's had three days off...Hopefully it's nothing serious. We'll ...

Read Full Article at Bleacher Report - MLB By Michael Nargi