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Boston Red Sox (43-28) @ Colorado Rockies (36-33)

Jon Lester (8-2, 3.13) @ Jhoulys Chacin (3-6, 4.00)

8:40 PM EDT | Coors Field (Denver, Colorado)

TV: NESN RADIO: WEEI 850, SBN 1150

GAME NOTES After a clean sweep of the Dodgers, the Boston Red Sox look to continue their dominance while the interleague season lasts, sending Jon Lester to the hill against youngster Jhoulys Chacin, who is sporting a cool 4.00 ERA since replacing Jorge de la Rosa in the Colorado Rockies rotation.