Former Met and Philly stalwart Lenny Dykstra claims he dug up dirt on umpires to shrink his strike zone. Dykstra's had a few brushes with the law, he says delicately. If it's just his word alone, I dunno. Presumably he has something to back it up?
Note to the already-suffering Paul Zummo: he allegedly started blackmailing umpires whilst in Philadelphia.
This will bear watching.