Busch went 2-for-3 with a double and two RBI in Saturday's Cactus League game against the White Sox.
With the Cubs signing Justin Turner on Tuesday, he could form a platoon with Busch at first base, Patrick Mooney of The Athletic reports.
Cubs president of baseball operations Jed Hoyer indicated Tuesday that Busch is not under consideration to play third base and will instead remain focused on first base, Meghan Montemurro of the Chicago Tribune reports.
Busch (triceps) will start at designated hitter and bat fifth in Friday's contest against the Reds.
Busch (triceps) isn't in the Cubs' lineup for Wednesday's game versus the Phillies.
Busch went 2-for-4 with a solo home run and a double in Sundays' 5-0 win over the Nationals.
Busch isn't in the Cubs' lineup for Thursday's game against the Nationals.
Busch isn't in the Cubs' lineup Saturday against Colorado.
Busch went 3-for-4 with a three-run home run in Friday's 9-5 loss to the Rockies.
Busch went 4-for-5 with a home run, a double, three total runs and three total RBI in a 10-4 win against the Dodgers on Monday.