NFL fans love Carrie Underwood's epic new Sunday Night Football theme tune, demanding that she play the Super Bowl.

The new show opening was fully unveiled on Sunday's season opener between the Baltimore Ravens and Buffalo Bills .

Sunday Night Football is now in its 20th season, having begun airing on NBC in August 2006.

It has since won the title of primetime television’s No. 1 program for an unprecedented 14 consecutive years.

Underwood has now been belting out the theme song for 13 back-to-back seasons.

This year, however, sees a revamp to the opening credits, and fans already love it.

One commented, "I’ve said it many times before, and this season is no different.

"NBC’s Sunday Night Football theme song with Carrie Underwood is the best theme in football.

Another remarke

See Full Page