By Will Yoder
December 01, 2011

New York Yankees closer Mariano Rivera will undergo surgery to remove polyps on his vocal chords, according to the Yankees’ official site.

The 42-year-old closer will not be able to speak for a week after the procedure but his recovery time is unlikely to affect his ability to participate in the 2012 season.

Next season may be Rivera’s last, as he intimated to the New York Post last week that, “I have one year left. I might call it over. I will know more in spring training.’’

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