The Salt Lake City 450SX Post-Race Press Conference gets interesting when reigning Supercross champion Ryan Dungey is asked if an SX format change will have any weight on his retirement plans.

The three-time Supercross champion just about holds back from calling AMA Supercross a circus, but #5 is clearly unhappy with some of the changes being discussed in the sport.

Watch the video and let us know what you think. Is Dungey right to be concerned?