The San Francisco Giants are planning to go young in the bullpen behind new closer Mark Melancon.

With Melancon now anchoring the ninth inning, the Giants will reportedly allow several longtime members of their bullpen leave as free agents this offseason. They're essentially overhauling the bullpen.

Those three veterans -- Santiago Casilla, Javier Lopez, and Sergio Romo -- were all members of San Francisco's championship teams in 2010, 2012, and 2014. Romo got the save in the decisive Game 4 of the 2012 World Series.

That said, Romo is the youngest of the trio at 33, and those three combined for a 3.43 ERA in 115 1/3 innings in 2016. That isn't great by reliever standards. Also, those three relievers combined to earn $19.5 million in salary in 2016, so the Giants are saving a nice chunk of change by letting them leave.

As it stands right now, manager Bruce Bochy's bullpen figures to look something like this come Opening Day: