Russell Wilson
The Denver Broncos thought that they’d become immediate Super Bowl contenders when they traded for Wilson. They offered the Seahawks the house as they lured the aging quarterback to Mile High City. However, it didn’t work out for the MVP contender in his first season in Denver for several reasons.

Firstly, rookie head coach Nathaniel Hackett didn’t know what he was doing. But Wilson’s petulant antics turned off many of his teammates and many fans lost patience with him. Meanwhile, Geno Smith emerged as the NFL Comeback Player of the Year in Seattle. This made Wilson’s decline appear to be even worse than it was (via NBC Sports).