Stephen Strasburg could make just four or five more starts for the Nationals this season, according to Mark Zuckerman of CSNWashington.com.
Once Strasburg is shut down, Triple-A starting pitcher John Lannan will take his spot in the rotation for the remainder of the season.
Strasburg is 15-5 with a 2.85 ERA and 1.11 WHIP in 145.1 innings this season. The Nationals chose to keep Strasburg in Tuesday night's game for six innings despite a 51-minute rain delay in the third inning.
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