Shanahan (the head coach) doesn't allow failure to take root.
A Few Seconds of Panic: A 5-Foot-8, 170-Pound, 43-Year-Old Sportswriter Plays in the NFLThe opposite of play is not work—the opposite of play is depression.
The Gifts of Imperfection: Let Go of Who You Think You're Supposed to Be and Embrace Who You Are