Shaun Marcum out for season, needs surgery for thoracic outlet syndrome

Shaun Marcum's nightmare season is over.
Shaun Marcum's nightmare season is over. (USATSI)

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Mets starting pitcher Shaun Marcum is out for the season due to thoracic outlet syndrome. He'll undergo surgery Monday to repair the issue, reports Jon Heyman of CBSSports.com.

Marcum, 31, signed a one-year, $4 million deal with the Mets in the offseason. He went 1-10 with a 5.29 ERA in 78 1/3 innings.

He has battled injuries throughout his career, managing more than 30 starts just twice and missing all of the 2009 season after having Tommy John surgery.

As for the injury itself, let us turn to the Mayo Clinic:

Thoracic outlet syndrome is a group of disorders that occur when the blood vessels or nerves in the thoracic outlet -- the space between your collarbone and your first rib -- become compressed. This can cause pain in your shoulders and neck and numbness in your fingers.

It doesn't take a surgeon to figure out why pain in shoulders and neck that is accompanied by numbness in the fingers would severely affect a pitcher's ability to do his job. Chris Carpenter and Mike Adams are two players who have been recently afflicted with this and neither has been able to stay completely healthy for long stretches since.

CBS Sports Writer

Matt Snyder has been a baseball writer with CBS Sports since 2011. A member of the BBWAA, he's now covered the last five World Series beginning with the epic 2011 Fall Classic. The former Indiana University... Full Bio

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