Boston Red Sox Bullpen Hierarchy

The Milo bullpen hierarchy shows the current closer, high-leverage relievers, and next-in-line save candidates based on bullpen roles and recent usage.

Last updated:

Model date (PT): 2026-07-22

Current Closer

Closer: Aroldis Chapman

Role stability score: 78

Recent saves: 4

Next Closer

Next Closer: Garrett Whitlock

If the current closer is unavailable, the most likely pitcher to receive save opportunities is Garrett Whitlock.

Bullpen Depth Chart

PitcherRoleSave ProbabilityRecent Usage
Aroldis ChapmanCloser44%4 saves in last 14 days; pitched 1d ago
Garrett WhitlockSetup6%1 saves in last 14 days; pitched 1d ago
Justin SlatenSetup2%Pitched 4d ago

Related Pages

Data provided by the Milo Save Probability Model.