When Alex Ferguson first took over at Man U the results weren't very good initially, but the board kept faith and he ended up winning countless titles and doing the treble.
The good thing about the GG was the location. Not reliant on the rail links to the extent the Amex is, and you could get away rapidly and easily after the final whistle.
Of course it's a foul. Otherwise it would imply that it's fine to head-butt an opponent, no free-kick will be awarded, and it'll become a legitimate way of gaining an advantage in aerial challenges. It's a binary thing: either one can head-butt an opponent when challenging for the ball, or one...