Non-MLB
Although they have not seen a pitch in 2024, René Rivera saw 5,718 pitches that were tracked by the PITCHf/x system between 2011 and 2021.
In 2021, compared to how other hitters perform with similar pitches:
Against Fastballs (153 seen), they had a very aggressive approach at the plate (-0.14 c) with a disastrously high likelihood to swing and miss (33% whiff/swing).
Against Breaking Pitches (98 seen), they had a steady approach at the plate (0.16 c) with an above average likelihood to swing and miss (40% whiff/swing).
Against Offspeed Pitches (35 seen), they had a steady approach at the plate (-0.29 c) with a disastrously high likelihood to swing and miss (60% whiff/swing).