Another example from MLB: Mets skipped Vargas's start to have deGrom get another start (granted deGrom was probably on regular rest with the early season off days). Results before and after:
deGrom before: 2-0, 13 IP, 0 R, 8 H, 2 BB, oHR
deGrom after: 0-2, 9 IP, 9 ER, 13 H, 5 BB, 5 HR
Vargas...