The Tampa Bay Rays reportedly scratched ace Shane McClanahan from his Tuesday start against the Miami Marlins because of a shoulder concern, per Bob Nightengale of USA Today.
Nightengale noted the southpaw will undergo further tests.
Shawn Armstrong started in his place.
The results of those tests on McClanahan could go a long way toward determining how the rest of the Rays' season unfolds.
He made his first All-Star Game this season and has been excellent with a 2.20 ERA, 0.86 WHIP and 182 strikeouts in 147.1 innings. This is just the second big league campaign of his career after he posted a 3.