Athletics' Parker Dunshee: Needed thoracic outlet surgery

Dunshee had thoracic outlet surgery in June, Mark Chiarelli of Baseball America reports.

The 26-year-old righty posted a 6.15 ERA, 1.37 WHIP and 26:14 K:BB in 26.1 innings through five starts with Triple-A Las Vegas prior to needing the surgery. He will miss the rest of the season.