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Jon Lester was a baby-faced rookie on Red Sox Photo Day in 2006. Over the next nine seasons in Boston, the left-hander overcame cancer, won the clinching game of the World Series, pitched a no-hitter and emerged as one of the best pitchers in baseball. With Lester on the trading block entering Thursday's non-waiver trade deadline, let's take a look back at his career in Boston. (Getty)