Younger midfielder Florian Wirtz, whose solely defeat in all competitions with Bayer Leverkusen in 2023/24 got here within the Europa League remaining, struck first, as his strike from the sting of the field was too highly effective for Scotland keeper Angus Gunn to cease.
Bayern starlet Jamal Musiala made it 2-0 after 19 minutes, smashing a fierce effort past Gunn to provide the event hosts clear daylight.
The Tartan Military rallied however, regardless of displaying struggle and guile within the first 45 minutes, their activity grew to become harder on the stroke of half-time when defender Ryan Porteous was despatched off for a harmful deal with on Barcelona midfielder Ilkay Gundogan. Referee Clement Turpin dismissed the Watford centre-back and awarded a penalty, which Arsenal ahead Kai Havertz dispatched with ease.