Young A's fan asks team to win Tuesday so he can 'stick it to the Angels fans at school'

The rivalry between the Oakland Athletics and Los Angeles Angels has reached all the way to the middle schools on the West Coast.

As evidence, check out the letter sent to Athletics general manager Billy Beane:

The two teams wrap up their season series on Wednesday, but seem likely to meet in the playoffs - should Oakland win the wild card game and Los Angeles hold on to the American League's top record.