By CHARLES ODUM
AP Sports Writer
Jon Lester earned his fourth straight victory after allowing no earned runs in seven innings as the Chicago Cubs beat the Atlanta Braves 13-2 on Sunday to win their final series at Turner Field.
Lester (8-3) has allowed only one earned run with no walks in three wins this month, lowering his ERA to 1.89. He gave up five hits to the Braves, his high mark of the month, with seven strikeouts.
Chicago outscored Atlanta 21-4 in winning the final two games of the three-game series.
Javier Baez hit a three-run homer off Chris Withrow to cap the Cubs' six-run eighth inning.
Anthony Rizzo drove in three runs with three hits. David Ross had two hits and also drove in two runs, one on a base-loaded walk from Alexi Ogando in Chicago's three-run seventh.
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