It's High Time You Answered This Question

What do these 7 things have in common?

Kilimanjaro
Vinson Massif
Carstensz Pyramid
Everest
Elbrus
Mount McKinley (aka Denali)
Aconcagua

...and ONLY these 7 things.
(hint: what else are there exactly 7 of?)

Copy Cats

There are 6 pairs of professional sports teams from the "Big 4" major league sports that have the same name, but are from different cities/states. 
Name at least 2.
Fictional example: Scranton Bullets (NHL) and Tempe Bullets (NBA)


hint: pairs are NFL/MLB x2,
NFL/NHL x2
NBA/NHL
MLB/NHL