Running into or roughing the kicker or holder. A defensive player shall neither run into the kicker nor holder, which is contact that displace the kicker or holder without roughing; nor block, tackle or charge into the kicker of a scrimmage kick, or the place-kick holder, other than when:

a. Contact is unavoidable because it is not reasonably certain that a kick will be made.

b. The defense touches the kick near the kicker and contact is unavoidable.

c. Contact is slight and is partially caused by movement of the kicker.

d. Contact is caused by R being blocked into the kicker or holder by K.