Since Boyd and his 6.00 ERA will be back imminently, one of these guys will likely be demoted from the starting rotation...
Imanaga - 4.74 ERA
Taillon - 5.13 ERA
Rea - 5.49 ERA
Cabrera - 4.99 ERA
Brown - 1.92 ERA
It's probably going to be Rea because he has more long relief experience right? What a disaster