Busch is absent from the lineup for Tuesday's game against Atlanta.
Busch is out of the lineup for Sunday's game against the Pirates.
Busch is not in the lineup for Tuesday's game versus the Mets.
Busch went 3-for-4 with a double, an RBI and two runs scored in Friday's 7-1 win over the Red Sox.
Busch is not in the lineup for Friday's game versus the Marlins.
Busch went 1-for-3 with a solo home run and two walks Monday in the Cubs' 3-2 win over the Diamondbacks.
Busch went 1-for-3 with a walk, a solo home run and an additional run scored in Friday's 9-7 win over the Dodgers.
Busch is out of the lineup for Tuesday's game against the Rockies, Andy Martinez of Marquee Sports Network reports.
Busch, who primarily played second and third base the last few years, said he is feeling more comfortable at first, Sahadev Sharma of The Athletic reports.
Cubs president of baseball operations Jed Hoyer said Saturday that while Busch's ultimate position will be up to manager Craig Counsell, he expects the 26-year-old to play first base, Jared Wyllys of AllCHGO.com reports.