RELIEVERS: Early look at usage in some fluid pen situations
Apr 18 2021
Pen roles are changing every day at this point in the season. Here is a snapshot of the Twins, A's, Mariners, Blue Jays, and Marlins. Pay particular attention to Leverage Index ("LI") invented by Tom Tango to measure against an index (of 100) the leverage that each reliever faces across multiple outings. This metric gives you a great view of how a manager deploys his relievers. Also pay attention to the clean appearances ("cln/app") as this indicates the success rate, from a manager's point of view. In these early stages of the season, one blow up-can create a terrible xERA, BPV and other skills metrics. But if the reliever has converted, say, 6/7 clean appearances, the manager is going to see it as six successful outings out of seven....
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
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
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
May 3 2026 3:06am
This column covers a number of current, fluid pen situations.
Apr 26 2026 3:06am
Apr 26 2026 3:06am
This column filters by first two weeks K%-BB% and then looks at the projections to make an early call on whether the elite start is real or not real.
Apr 19 2026 3:07am
Apr 19 2026 3:07am
Using projections for skills and early-season usage patterns, we look at five more bullpens.
Apr 12 2026 3:05am
Apr 12 2026 3:05am
