Getty Detroit Lions head coach Dan Campbell is admitting to a major mistake that he says he made with the team last season. Nobody is perfect, and Detroit Lions head coach Dan Campbell has been the first to admit when he’s wrong. He’s a humble kind of guy and doesn’t mind taking responsibility when he makes the wrong decisions on the field. Thankfully, he’s made a lot of good decisions over the past few years, which means he’s been able to help lead the Lions to some historic seasons. The