This came across the news today. I thought it was an interesting parallell to the question of one grading company not crossing other companies stuff as policy.
https://www.msn.com/en-us/sports/nfl...lt0?li=BBnb7Kz
Short story, Romo sets up fantasy FB event, NFL supposedly tells players they'll be in trouble for attending as it's gambling.
Next year, he gets EA sports as a sponsor, supposedly NFL pressures EA to withdraw.