Dirty Ball Style
Runners can be tagged out by being hit with the ball while in the baseline
No stealing
Runners must stay on base until contact is made
Infield Fly Rule is in effect
With runners on 1st & 2nd or bases loaded, with less than 2 outs
Plays at Home
Ball must hit the catcher's mat before the runner touches home to record an out
Out-of-Play Rule
If the ball enters driveway, tents, or designated "out-of-play" areas, all runners advance 1 base
MLB Shifting Rules
Fielders may not stack one side of 2nd base. For shifts, one infielder and one outfielder must stay on the opposite side