Nope. Relievers the quality of Rogers don't just magically reappear after you dump them.
"Just replace him" is ... poorly thought out. How? With who? The half dozen or more waiver wire wonders we churn through every year? That's how we got where we are.
No, good bullpens aren't accidents, they don't result from "just throw enough **** against the wall and it'll work itself out." Good Relievers aren't "fungible," they aren't "the easiest thing to find at the deadline," and they aren't "unpredictable."
I read over and over how smart Falvine were. Well, own it.