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Scouting Report
Updated May 19, 2026
Caleb Thielbar (39-year-old left-handed relief pitcher for the Chicago Cubs) is recovering from a left hamstring strain sustained on April 24. He has progressed through his rehabilitation protocol, completing bullpen sessions and light mound work. As of mid-May, he is scheduled to throw live batting practice and is expected to begin a minor league rehab assignment before returning to the Cubs bullpen later in May 2026.
Strengths
- + Completed bullpen session without issue on Friday
- + Progressed to high-intensity bullpen work
- + Light mound work completed successfully on Sunday
- + Scheduled for live batting practice session
- + Expected to rejoin Cubs bullpen by end of May
- + Manager Craig Counsell expressing confidence in recovery progression
- + Veteran pitcher with experience managing injuries
Weaknesses
- - Left hamstring strain requiring extended recovery period
- - Missed significant time since April 23 (last game appearance)
- - Age factor at 39 years old may affect recovery timeline
- - Hamstring injuries can be prone to re-injury if not fully healed
Injury Status: day-to-day -- Left hamstring strain sustained late April 2026; on 15-day IL since April 24
About
Caleb Thielbar is a rp for the Chicago Cubs.
Player Overview
RP
Chicago Cubs
Recent News
Cubs Designate Ty Blach For Assignment
May 19, 2026
Cubs roster move: Caleb Thielbar activated from IL, Ty Blach DFA
May 19, 2026
Cubs activated LHP Caleb Thielbar from the 15-day injured list.
May 19, 2026
Cubs Designate Ty Blach For Assignment
May 19, 2026
Cubs designated LHP Ty Blach for assignment.
May 19, 2026