In terms of best young, up and coming bullpens, the Pittsburgh Pirates are in a great spot. While bullpens are often highly volatile and can be hard to project, it never hurts to have numerous young power arms like the Bucs do. In fact, the team has so many potential bullpen candidates that they have already sent down Spring Training standouts Nick Mears and Blake Cederlind.
The Bucs could have had an even stronger bullpen heading into 2020 if it were not for the problems over the last year and a half.