Originally Posted by RedsManRick
The thing is, you can undo the "trade" at any time. You don't lose "Aroldis Chapman, dominant closer" unless you gain a more valuable starter in return. Sure, there's some point at which a change back would make sense. But to not take the shot seems unnecessarily conservative.
With the unknown of how a pitcher may react to change like that, there is no guarantee that we would not lose Aroldis Chapman, Closer Extraordinaire.