16. Cam Cameron:
Cameron built a reputation for himself when many of his players made it to the NFL following his tutelage as an offensive assistant at the University of Michigan. He later became the quarterbacks coach for the Washington Redskins and the offensive coordinator for the San Diego Chargers.

In 2007, he interviewed for multiple head-coaching jobs. The Miami Dolphins offered him their job. The results that followed were disappointing, to say the least. Miami lost their first 13 games that year and finished last in the AFC East. Cameron was fired and never received another head coaching job in the NFL. His collegiate coaching record is bad, but it’s tough to top his 1-15 overall mark in the NFL. That undoubtedly earns him a spot among the least successful NFL coaches of all-time.