Non-MLB
Although they have not seen a pitch in 2024, Aaron Altherr saw 4,693 pitches that were tracked by the PITCHf/x system between 2014 and 2023.
In 2023, compared to how other hitters perform with similar pitches:
Against Fastballs (65 seen), they had an exceptionally patient approach at the plate (0.34 c) with a league average likelihood to swing and miss (16% whiff/swing).
Against Breaking Pitches (36 seen), they had an exceptionally patient approach at the plate (0.46 c) with a disastrously high likelihood to swing and miss (50% whiff/swing).
Against Offspeed Pitches (19 seen), they had a steady approach at the plate (-0.20 c) with a high likelihood to swing and miss (44% whiff/swing).