These Athletes Forced Their Sports To Change The Rules
Eddie Stanky
Just like in hockey, there was never a specific rule that stopped base players distracting the batter in baseball. Eddie Stanky played second base and due to being in the direct eye line of the batter, would start doing jumping jacks to distract.
While there was no official rule on it, it was only when one of the opponents got riled by Stanky and proceeded to start a dugout brawl. The NYPD had to be called to stop the incident and the league outlawed the maneuver and called it The Stanky Maneuver.