RELIEVERS: pxERA and xERA as early filters

This week, the column looks at Expected ERA (xERA) and projected Expected ERA (pxERA) as indicators for success by relievers. xERA and pxERA have long been a staple at BaseballHQ.com and have proven again and again to be successful in figuring out which skill sets are the best ones—even while newer, seemingly sexier metrics have come into vogue. While we are only in the fourth week of the season, we can use these indicators to get a sense of who is expected to have top skills, who is exhibiting top skills and how you can separate wheat from chaff using filters and lists with xERA and pxERA as a guide.

Let us start with the top skill sets by pxERA—that is—the projected best expected ERAs (pxERA under 3.10). As you might imagine, there...

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

These five pens are going to figure out roles during Spring Training. Kevin Ginkel appears to be the favorite in Arizona, but let's look at the known options from a skills perspective.
Feb 15 2026 3:07am
An early February run through closers by NFBC ADP.
Feb 6 2026 3:04am
The initial set of BaseballHQ projections is on the board, and we initially wade through it for three things: LIMA A or B+, at least a 20% K-BB%, and at least one save. Here is that list.
FREE
Jan 16 2026 3:02am
This week the column winds up its season with the remaining 15 teams.
Sep 14 2025 3:09am
The column takes an early look at 2026 starting with the pending free agents.
Sep 7 2025 3:10am

Tools