Let's wrap up our mid-season one-split-away theme by looking at the stats and skills posted by starting pitchers as they go through lineups during the game.
There is a clear erosion in ERA and WHIP the more times a SP goes through a lineup during a game. The same holds for their underlying skills, as BPV, K-BB%, and HR/9 also experience significant in-game deterioration.
The level of erosion in these metrics is evident in the following data from 2019 to this point in 2025:





Let's take a look at some significant BPV by time through lineup splits so far in 2025 by focusing on those guys with the widest variances. The goal of this exercise is to identify pitchers who could be an adjustment away from making significant improvement.
| BPV | |||||
| Name |
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 Starting PitchersCam Schlittler's dominating start to the 2026 season has come with full backing from his underlying skills.
Apr 4 2026 3:09am
Apr 4 2026 3:09am
The huge spring of young Didier Fuentes has him on the cusp of the ATL rotation.
Mar 28 2026 3:09am
Mar 28 2026 3:09am
Cam Schlittler has built upon his late-season emergence with an excellent showing this spring.
Mar 20 2026 3:12am
Mar 20 2026 3:12am
The tweaked pitch mix of Matthew Liberatore has helped to fuel his electric spring.
Mar 20 2026 3:11am
Mar 20 2026 3:11am
Braxton Garrett enters 2026 as a premium injury profit play given his excellent pre-injury skills and early favorable ADP.
Mar 14 2026 3:06am
Mar 14 2026 3:06am
| ||||