So the claim is that they're not saying "R" they're saying "AH"? Thanks for clearing that up. (Although I suspect some of them really are saying "R", possibly the ones still saying Jack Wiltshire.)
It can be confusing if a Dutch or German person is spelling a word for you. Many years ago, I got on the wrong tram because I mistook AH for R .
The club Youtube highlights have the whole move for the third goal: Not sure why TNT decided to start halfway through.
It is Bayern München officially, Bayern Munich is a commonly used form though outside of Germany, especially in English speaking countries.