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Resting on your laurels can be the quickest way towards falling off your game. Evolution and innovation is important for ambitious workers in every industry, and head coaches in major professional sports leagues know this. Out with the old, in with the new, right? In their latest list, Bleacher Report examines a bunch of big-name head coaches who've have prosperous careers, but have recently fallen on hard times. Guys like Rex Ryan, Doc Rivers, and Jeff Fisher just haven't lived up to their reputation in today's "what have you done for me lately?" economy. Check out all the coaches who are getting way too much credit here

Send all complaints, compliments, and tips to sportstips@complex.com.

[via Bleacher Report