Woman films a man with a football, says "throw it at me, I dare ya." Man throws the football and hits the woman / camera dead on
A girl asks her brother if he wants to play catch as he walks down a hallway. She throws a football to him and he catches it. Then she throws a rubber ball at his face and he falls to the ground. Short tails. Possible set up.
Boy swings on a swing set. He jumps off the swing set to catch a football, which hits him in the stomach and he falls down.
A tot boy playing with a Christmas present he just opened. It's a ball that he throws and eventually hits camera lens on third throw. Hits camera at very end.
Father & son play football in the yard. Boy hits dad in the groin / crotch - head butts him with his helmet. SET UP.
Tot throws football into air, it hits baby's head but baby is unfazed.