If the receivers (R) are the first to touch the kick after it crosses the LOS, it will be a first down for the team in possession at the end of the down, unless a penalty is accepted.
So K's punt is muffed by R88 at the R1 and the ball then breaks the plane - touchback.
K's punt is muffed by R88 at the R1 and possessed by K1 at the R1 who runs into the end zone, first down for K at the R1, because K cannot advance a kick.
K's punt is caught by R88 at the R1 and then fumbled, K1 can recover, and advance and when if the loose ball crosses the goal line it remains live.
|