New York Mets right-hander John Maine underwent season-ending arthroscopic surgery on his troublesome right shoulder Friday and may be done as a Met. Maine, 29, is making $3.3 million this season and is arbitration-eligible, meaning the organization is near-certain to cut him loose by the non-tender deadline in December, freeing Maine to sign elsewhere. http://sports.espn.go.com/new-york/mlb/news/story?id=5406829