Philadelphia Eagles head coach Nick Sirianni pushed back on the criticism toward A.J. Brown after the wide receiver was reading a book during a playoff game.

Eagles wide receiver A.J. Brown ignited a public kerfuffle Sunday when he was spotted reading a book — "Inner Excellence: Train Your Mind for Extraordinary Performance and the Best Possible Life," by Jim Murphy — to inspire himself during the team’s wild-card victory over the Green Bay Packers.

"Inner Excellence," written by Jim Murphy, is a self-help book. According to its website, the book helps train your mind for extraordinary performance and live the best possible life. It helps you perform with freedom under pressure – all things Brown has done this season.