The 'bunt chop' swing would have to be the Plate Umpires judgement call, so if he thinks it was legal, hard to argue, right?
The pulled foot on 1st, however, IMO is a blown call by your buddy the Plate Umpire. He is suppose to run out from behind the catcher just for this specific reason. He should have let the Base Umpire know.
Now we'll let the vets come in and give you the real answers