Every time I despair of the psychological truth and realism of “The Penalty for Holding” – the second novel in my series “The Games Men Play” – I’m given a sign from the universe.

There’s a crucial moment in the story in which Quinn Novak, star quarterback of the New York Templars, chooses to play on despite sustaining a sub-concussion. I agonized over this plot point because of the new protocols in place that pull players who’ve sustained such injuries immediately from the game. It didn’t seem authentic not to reflect this in my book.

But truth really is stranger than fiction. In the St. Louis Rams’ 16-13 loss to the Baltimore Ravens Sunday, Rams’ QB Case Keenum sustained a concussion and continued to play. ...