show welcomed mutts into the mix. how did they do? here s jeanne moos. reporter: finally mutts are back at westminster. at least in the agility competition that takes place before the main event. but how do you separate the purebreds from the mutts? mutt or no mutt? neither is. mutt or no mutt? not a mutt. mutt or no mutt? the mere question was enough to offend this dog. out of 225 dogs competing on the agility course were 15 were mutts. this is a mutt. meet sadie from connecticut. although some went around jumps or seems to be slow running the weave poles. even the purebreds messed up. this one needed a do over but