He said 'captain' I said 'wot?'

[Donanddusted]

I can't believe I'm uttering these words but ....... I agree with RedJohn.

I think that if a fitba team, any team, are responsible for your livelihood then, no matter your historic allegiances to any other team, displays of support for anyone other than your immediate employer are unacceptable.

Yip. You've the rest of your life to be a fan.
Play for Aberdeen, you do not attend any other teams' games unless the manager has asked you to do so for reasons beneficial to the club.