RELIEVERS: What do we expect from Edwin Díaz? (and other questions)

Some designated closers have struggled a bit over the past 30 days. Cannot promise there will be changes this week, but if the trends continue, there could be. This column takes a look at what options a few of these teams have, starting in Baltimore.

When last checking in on Baltimore, Cole Sulser (RHP, BAL) was the surprise closer from Opening Day onward with early success. Since then, Sulser has struggled to throw strikes. Here are the skill sets over the past 30 days:

BAL             Sv Hld IP  Dom  Cmd HR/9 xERA  BPV CLN/APP  LI   vL   vR
==============  == === == ==== ==== ==== ==== ==== ======= ==== ==== ====
C.Sulser         4  1  11  9.0  1.1  0.8 6.13  -49   5/9   1.37 .042 .211
M.Castro         1  2  14 13.8  4.2  2.0 3.02 ...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From Relief Pitchers

Identifying the best setup men and projecting their future production.
May 31 2026 3:03am
Closer roles open for the taking as uncertainty reigns supreme in undecided bullpens. Four arms barns are in flux as they determine the best suitor for the challenge of the final frame.
May 24 2026 3:10am
Injuries and ineffectiveness keep the waiver wire moving. Four pens with changes and a look at who else might change soon.
May 10 2026 3:07am
This column took the best K-BB% relievers and filtered for xERA and HR/F as well to create a list of who performed in April.
May 3 2026 3:06am

Tools