How well do u know the Yankees!!!

Lets see how well of a Yankees fan are you!!1

1 Who plays Short Stop for the Yankees?
2 who is the manager of the Yankees?
3 How many World Chanpionships have the Yankees won?
4 Who was the first baseball player to have his uniform number retired?
5 What was Joe Dimaggio's nickname while playing with the Yankees?
6 Which Yankee earned the nickname "Mr. October"?
7 Which team is a rival to the Yankees?