MIAMI — Tampa Bay Rays All-Star left-hander Shane McClanahan was a late scratch in his scheduled start against the Miami Marlins Tuesday because of left shoulder impingement, the team said.
The 25-year-old McClanahan (11-5, 2.20 ERA) has made 24 starts and emerged as one of the top pitchers in the major leagues this season. He will undergo further testing on Wednesday.
Right-hander Shawn Armstrong replaced McClanahan against Miami.
The Associated Press contributed to this report.
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