Jon Lester was brilliant in defeating the Reds on Wednesday, pitching eight innings of one-run ball.
Jon Lester held the Pirates to two runs over seven innings of work in Friday's loss.
Jon Lester settled down after allowing three early runs in Sunday's loss to the Cardinals, ultimately surrendering four runs on six hits over six innings.
Jon Lester pitched nine innings of one-run ball to beat the Pirates in the second game of Tuesday's double-header.
Jon Lester tossed seven innings of one-run ball Wednesday in a no-decision against the Cardinals.
Jon Lester was blessed with a massive amount of early run support on Friday and cruised to an easy victory against the Diamondbacks, allowing two runs on five hits over his five frames.
Jon Lester gave up five earned runs over six innings Saturday in a loss to the Dodgers.
Jon Lester fell one out shy of a shutout Monday, allowing one run over 8 2/3 frames but settling for a no-decision in a 2-1 win over the Indians.
Jon Lester was lit up for seven runs and three homers in 2 1/3 innings by the Tigers on Wednesday.
Jon Lester steamrolled the Brewers in Thursday's 9-2 win, striking out 10 and allowing two runs over six innings.
Jon Lester picked up his seventh victory of the season on Friday, allowing just two runs on six hits over seven strong innings against the Giants.
Jon Lester will make his next start Friday at home against the Giants.
Monday's game between the Cubs and Pirates has been postponed due to rain.
Jon Lester limited the Rockies to two runs over eight innings Wednesday in the Cubs' 3-2 victory.