Answer
In 2012, Daisuke Matsuzaka played for the Boston Red Sox. He had previously pitched for the Red Sox from 2007 to 2010 before spending a season with the New York Mets in 2011. Matsuzaka returned to Boston in 2012 and made 29 starts, finishing with a 3.92 ERA and a 9-15 record. He left the Red Sox after the 2012 season and has not pitched in the MLB since.