(December 19, 2017 at 7:10 am)Jörmungandr Wrote: I think that rule somewhat conflicts with the idea that the ground can't cause a fumble.
The ground can cause a fumble though. If a player catches a ball, establishes themselves as a runner, and trips or somehow goes to the ground without being touched by a member of the defense and the balls pops out as it hits the ground, that's a fumble...caused by the ground.