I think he needs to keep witnessing. He knows Whose he is. Life on this earth is but for a little while and then eternity. I would put Jesus over the NFL. Think about it. It says in the last days there would be persecution. Christians in the USA are not exempt.
The comments at the end of the article on Philly.com are disturbing. Most of them are anti-Christian, snarky, and hateful. Fans and the media had no problem 20+ years ago when Reggie White was leading prayer circles in the end zone at the end of a game.