Justin Steele (elbow) has started a throwing progression.

It was Steele’s first throwing session since suffering a setback when he was diagnosed with a flexor strain in late April that delayed his throwing progression. The 30-year-old lefty is roughly 14 months removed from Tommy John surgery and figures to make it back to Chicago’s rotation mix at some point in the second half. There should be a clearer return timetable once he progresses to facing hitters and is close to embarking on a minor league rehab assignment. It seems unlikely he’ll make it back before August.