The NFL already has several football stadiums named after brands, and there’s been no public talk of allowing sponsors on jerseys as of late.
Commercials are not a situation unique to the NFL either, as other sporting companies like the NBA and ESPN have both expressed the need for lessening commercial blocks in order to better draw an audience.
Ultimately, the NFL will need to decide if commercials are what needs to change, or if they can shrug off the drop in viewership perhaps as just an off year for the sport, believing things will improve in the future.
Perhaps wishing to emulate professional soccer, which has hardly any commercial breaks during play, the NBA has tossed around the idea of allowing sponsorship logos to appear on team jerseys, so that less commercial time is spent outside of the game.