When does the ball leave the GK's control? I think you could make a fairly strong case that it's left his control when it leaves his boot - so any play on the ball after that point is legal in the laws as written. The striker is not challenging a player in possession of the ball, they are intercepting the ball between the times when it is no longer controlled by the GK and when it reaches the next player.
Again, I want this to be disallowed, but I disagree that disallowing it is covered by current laws.
Okay, if this was a free kick would you allow it? Exhibit A:
I'm using FK as an example of where we already have intercepting is allowed if taken quickly, I know this is not a restart and not subject to 10 yards but I think its a logical principle to apply in that if a player was doing below before a free kick he is getting caution for DRP or failing to respect distance depending on exact circs.
The link is player is preventing a quick free kick just as this player is preventing the ball being released.
Exhibit B
I intentionally left the time on..
The 2 stills are before the keeper has kicked and after it has already rebounded off the player. So less than a second has elapsed between release and "interception". Also bearing in mind this action of "intercepting" began way before the still (at least in slow mo
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Again, looking at another law, (accepted that different laws but I am applying concepts so bare with) if this player had come from an offside position and it was not keeper in hands, but a defender would you say that the player was committing an offside offence of interfering with an opponent by immediately challenging for ball? My answer is yes I would. .
So my logic is dictating that this is, in my view, a player that is challenging an opponent for the ball whilst trying to release it.
If this was a throw in, again a other law, would we allow the striker to jump around in front of it like this.
Granted all the other are restarts and this is not and your idea of classifying this as a restart would be helpful however, I think the laws give us way more than enough to rule this goal out based on definitions and how they are applied in other areas of law.