[QuantaCondor]

I have noticed that stronger teams tend to run LHP because the strongest pitchers in the game over the past few months have been LHP (except Maddux). That effect might be showing up in Perfect Pitch's exaggerated effect, where the top BFF teams mostly stack a bunch of LHP. LHP might also be more frequently paired with pro-lefty factors, including something like +LCON boosts which could lead to higher scoring games when facing lefties. Especially since you're in OL and BFF with all 3 of these teams, I would guess that some amount of that CERA difference can be attributed to that effect. I would be it's smaller than the effect shown here, but it's worth mentioning.

It would be useful to see the difference between a Yogi-type 78 CAbil and some more extreme amount, like a Bench. There are other positions like 1B where being below average is way worse than being above average, I wonder if that applies here. And the true comparison really will come from K/9 and BB/9, rather than CERA, since those parameters have really strong, consistent fits and any big deviation over a larger sample size is likely attributable to CAbil.