BPV by time through lineup, 2023

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 true for their underlying skills, as BPV, K-BB%, and HR/9 also show a high level of in-game deterioration.

Here are the starting pitchers in 2023 whose skills erode the most as they go through lineups:

Let's take a look at some significant BPV by time through lineup splits so far in 2023 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.
 

AMERICAN LEAGUE

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 Pitchers

Gavin Williams has become the game's best starting pitcher in the second half, among those with 30+ IP.
Aug 8 2026 3:07am
Payton Tolle's mediocre results in July hid an excellent foundation of skills, putting him in position to be a difference-maker down the stretch.
Aug 1 2026 3:05am
Sean Burke's recent stretch of elite skills has been backed by some significant underlying support.
Jul 25 2026 3:15am
Ian Seymour's recent skill surge and transition back to a starting role give him significant appeal again in deep leagues.
Jul 18 2026 3:07am
No starting pitcher has provided more value in wins and innings or shown a steeper groundball tilt than Cristopher Sanchez over the past 12 months.
Jul 11 2026 3:05am

Tools