The Cubs put lefty Justin Steele on the 15-day injured list with a low back strain and called up right-hander Hayden Wesneski, who is eyeing his major-league debut.
Steele was originally scheduled to start Tuesday, to open a three-game series against the Reds. Instead, veteran lefty Wade Miley is set to return from the 60-day IL (left shoulder strain) to start against his former team.
Steele left his last start, on Aug. 26 at Milwaukee, with low back tightness. He then was placed on the restricted list for the Cubs’ series in Toronto due to Canada’s COVID-10 vaccine requirements for entry.