Muller joined Bayern youth training at the age of 10, and in a recent (Buy FIFA Coins, Rocket League Trading, Madden Coins and NBA Live Coins Online) interview Muller revealed how he was seen by the Bayern scouts at the time.

Muller said: "I was 10 years old, participated in the Mercury Cup and Bayern just have a scout watching the game, I and my team played well.." Prior to joining Bayern youth, Muller effect TSV Phl Youth Training.

"I was a Bayern Munich fan since childhood, and I was not calm, and I told my mum, 'Mom, we have to go there.' And then I got a trial at Bayern. '

After joining Bayern youth academy, Muller said his teammates were shocked to strength: "Originally, I think I played very well, and then I came to Bayern, originally seen on this planet there are other very high level of young players."