P/PA measures how many pitches a hitter sees per trip to the plate. League average is about 3.9. Patient hitters who work counts often run 4.1+; aggressive first-pitch swingers can dip below 3.7.

A high P/PA isn’t inherently good — hitters can rack up pitches by taking strikes they should have hit. But it correlates with positive outcomes more often than not. More pitches seen means more chances to find a fastball to hammer, more time for the pitcher to make a mistake, and more strain on the pitcher’s pitch count.

On the team level, an offense full of high-P/PA hitters drives starting pitchers out of games early and exposes the bullpen. That’s why P/PA appears on Baseball Nut’s hitter Approach percentile section — it’s a stylistic indicator with downstream tactical impact, even if it doesn’t directly grade plate-skill.

What is a good P/PA?

P/PA isn’t a NUT input, but it correlates with the underlying skills that drive NUT — walks, contact rate, two-strike performance. A high P/PA hitter typically has the patience to run elevated walk rates, which feed wOBA and NUT.

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