This has been a hot topic of discussion since Jordan Lyles had his tremendous mid-season turnaround after joining the Milwaukee Brewers.
With the Pirates, Lyles was 5-7 with a 5.36 ERA in 17 starts. His final 10 starts were particularly egregious, and frankly, expectations were quite low for him after he was acquired by the Brewers in July. He was the only starting pitching acquisition made by the Crew, which left many underwhelmed.
But give Lyles credit, he performed better than every other starting pitcher traded that July in terms of ERA, finishing with a 2.45 ERA in 11 starts with the Brewers.