jon lester
![](https://a.espncdn.com/photo/2016/1030/r146866_1296x729_16-9.jpg?w=660&r=16%3A9)
Jon Lester announces retirement after 16 seasons, three World Serie...
Left-handed pitcher Jon Lester has retired from baseball with 200 wins and World Series rings with the Red Sox and Cubs.
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