I'm using sticks, and here's my take on the situations.
A: Yes, you can throw behind the QB, but if incomplete, you would need to devise some sort of loose ball recovery method, or perhaps make it out of bounds at whatever line the stick was at. Sort of an automatic loss of yards.
B: No, otherwise every long pass would be a comeback pass because it's the short stick.
C: Yes, but you can't turn either man, so you had better hope that the receiver breaks free without changing direction, otherwise the defense may have a clear shot at an interception with one of his other men.
That's just my
