The Chiefs offense has been ice cold in the second halves of games for over a month now

Being an NFL coach is a ton of work and most of them get fired within 4 years of taking the job. A TV career is a lot more relaxing and arguably more lucrative. Fox offered Brady a 375 million dollar contract to call games and work significantly less than a coach would.

He was playing injured his final year and didn’t play very well compared to his previous season. He got dinged pretty hard for that