Don't believe us?? See above.

Check out Oakland Raiders superfan Josephine Skriver supporting the Oakland Raiders in the sexiest fan gear around ... as well as Rob Gronkowski's GF, Camille Kostek, always reppin' her boo's old team.

There's also Green Bay Packers Cheesehead Hailey Clauson ... who's always down to show her true colors.

Look, Mahomes, Henry, Rodgers and Garoppolo are fun to watch ... but this set of pics is much more fun to look at.

So, what better way to kick off the NFC and AFC title games than to scroll through our collection of football lovin' babes!!