A completes a pass for 1st down. During the temporary clock stoppage for 1st down, there's an injury for B player. With one second left on game clock, assuming A is at the line in formation - is it possible to snap the ball after RFP sounds? I guess the snapper would need to snap right when he hears the RFP.......
I don't think there's a hard rule, but wondering if there's a general standard that's followed. (like in NBA, 0.3 secs is minimum to get a shot off)