| W | L | ERA | G | GS | SV | IP | SO | WHIP |
|---|
| G | W-L | ERA | IP | SO | WHIP |
|---|
| Team | Date | Transaction |
|---|---|---|
|
03/19/2026 | ACL Cubs placed LHP Colton Book on the full-season injured list. |
|
|
08/04/2025 | ACL Cubs activated LHP Colton Book. |
|
|
07/22/2025 | LHP Colton Book roster status changed by ACL Cubs. |
|
|
07/22/2025 | LHP Colton Book assigned to ACL Cubs. |
|
07/21/2025 | Chicago Cubs signed LHP Colton Book. |
|
06/03/2025 | LHP Colton Book assigned to State College Spikes. |
|
|
06/03/2025 | State College Spikes activated LHP Colton Book. |
|
02/15/2024 | LHP Colton Book assigned to College Workout. |
