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MIAMI (CBSMiami) — One of the Miami Marlins’ bright young stars will be spending a little more time on the disabled list after suffering a setback during his rehab.

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Adam Conley (finger) has been shut down and is expected to be out for longer than the minimum 15 days after visiting doctors, MLB.com reported.

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The team initially believed Conley’s stint on the DL would be short but now say swelling and inflammation in his hand has prevented him from throwing.

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The 26-year-old lefty is 8-6 with a 3.94 ERA in 24 starts for the Marlins this season.