We’ve played witness to some stunning career declines this year. Former champions have fallen left and right, while proposed “prospects” have run into brick walls when making the leap to the big leagues. I suppose that’s the nature of the beast, as combat sports aren’t often associated with overtly lengthy reigns as “top dog”. The business is brutal, and it takes a toll on both the body and the mind. In fact, in regards to mixed martial arts, a successful 10 year career is a damn respectable accomplishment. Some manage to surpass that, while some strive but come up short. Here now, is a look at some of the most noteworthy career declines of 2011.