Are Arsenal and Manchester United rivals?

Related questions

1. Has Arsenal gone to relegation before?
2. Is Chelsea bigger than Arsenal?
3. How many times Chelsea has been relegated?
4. How many trebles Barca won?
5. Is Chelsea a north London club?
6. Who won more trophies Arsenal or Chelsea?
7. Which team has won Champions League back to back?
8. Who is the most successful club in the world?
9. Are Rangers the most successful club in the world?
10. What is spurs new ground called?

Tags

1. #having
2. #clubs
3. #recognised
4. #tunnel
5. #manchester
6. #season
7. #which
8. #later
9. #english
10. #united
11. #arsenal
12. #football
13. #controversial
14. #unbeaten
15. #history
16. #circumstances
17. #rivalry
18. #great
19. #disorder
20. #between
21. #notable
22. #ended
23. #traditions