There are a couple differences between the Sunday/Monday league and Wednesday night league rules.
Unless Stated below, then we follow the SPN Rulebook. It can be found here:
See below for a short description, and click the links for a more detailed one.
Sunday / Monday Night League Rules (click here) Batting: Guy/Guy/Girl allowed throughout the entire lineup Sliding: Allowed feet or head first at any base, except home Pinch Runners: Allowed at any base (must reach 1st base on your own) Pitching: Dead balls are LIVE and CAN be hit
Wednesday Night League Rules (click here) Batting: Guy/Guy/Girl only allowed once in the lineup (Siamese batting) Sliding: Allowed Head First only Pinch Runners: Allowed at any base, including home Pitching: Dead balls are DEAD and CANNOT be hit