Cubs pitcher Codi Heuer undergoes Tommy John surgery - Chicago Sun-Times
Cubs injury notes: Two relievers shut down for rest of year; former top prospect undergoes surgery - Marquee Sports Network
The 2021 Charlotte Knights Media Guide by CLTKnightsMedia - Issuu
Codi Heuer Exits Tuesday's Triple-A Game with Arm Injury - On Tap Sports Net
MLB Injury Status - 2023 Season - ESPN (UK)
Cubs reliever Codi Heuer undergoes Tommy John surgery – NBC Sports Chicago
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Chicago Cubs News - MLB
Post-Tommy John Players That Could Impact 2023 - MLB Trade Rumors
Reliever Michael Fulmer finalizes 1-year, $4M deal with Cubs - ESPN