In recent years, broadcast networks have been trying to outdo each other by stockpiling former players and coaches as studio analysts. NBC has six regulars, while Fox and CBS each have five on their studio teams. It’s gotten to the point where the analysts are battling for air time.

For NBC’s six-hour pregame show (11 a.m. to 5 p.m. Sunday), NBC has recruited 16 broadcasters. Combined with five announ...