Can somebody explain to me the meaning of the “stepover” into foot plant. Are there benefits?

I believe the idea came from Nyman. My naive opinion is that it is nothing more than the bending and opening up of the front leg right before foot plant - bending the leg facilitates opening it up to point the front foot towards home plate. Some pitchers straighten out the front leg and sweep it out and around. These pitchers, in particular, need to bend the front leg right before foot plant.

Maybe Paul will jump in here and elaborate.

It’s just the violent swinging/sweeping of the front leg into foot plant.

I don’t know if it’s an “idea” that was being taught per se, but it’s something used to describe what certain pitchers do.

It can aid in hip rotation by propelling the body away from the rubber.