Kyle Hendricks won his 16th game of the season Monday, spinning six shutout frames against the Pirates.
Javier Baez hit a grand slam and drove in a career-high six runs in Monday's victory over the Pirates.
Jorge Soler will have his right side examined.
Dexter Fowler is out of the Cubs' starting lineup on Monday night against the Pirates.
Rob Zastryzny will make his first major league start this Thursday against the Pirates.
Ben Zobrist had a nice night at the dish in Sunday's 3-1 victory over the Cardinals, going 3-for-4 with a double and a pair of runs scored.
Jon Lester was brilliant in Sunday night's victory over the Cardinals, racking up seven strikeouts over 6 2/3 innings of shutout baseball.
Willson Contreras clubbed his 11th home run as the Cubs fell to the Cardinals on Saturday afternoon in Chicago.
Jason Hammel was clobbered in Saturday's loss to the Cardinals, surrendering six runs on six hits over his 2 1/3 innings.
Jorge Soler returned to the Cubs starting lineup on Saturday.
Jorge Soler (side) struck out as a pinch hitter in Friday afternoon's victory over the Cardinals.
Jake Arrieta dominated the Cardinals on Friday, striking out 10 across seven shutout innings in a 5-0 victory.
Anthony Rizzo went 3-for-5 with an RBI double and run scored in Friday's win over the Cardinals.
Cubs activated RHP Pedro Strop from the 15-day disabled list.
Willson Contreras is not in the Cubs' lineup Friday.