Haley is not afraid to call out players or use the depth chart to light a fire underneath them, like he did with Dwayne Bowe. He has also had control issues in the past over who calls the offensive plays.
Most recently, it has been reported that he and general manager Scott Pioli have somewhat of an uneasy relationship. In Sunday's game against the Vikings, he was visibly upset with his quarterback Matt Cassel on the sideline, and the two appeared to have a confrontation.
Let's take a look at some of the other coaches who are among the most unlikable in the NFL.