Aaron Burmeister puts straw down for his dogs at the Nikolai checkpoint during the 2014 Iditarod Trail Sled Dog Race on Tuesday March 4 2014...
{"Image ImageDescription": "Aaron Burmeister puts straw down for his dogs at the Nikolai checkpoint during the 2014 Iditarod Trail Sled Dog Race on Tuesday, March 4, 2014. Burmeister injured his knee about 18 miles past the Rohn checkpoint on the snowless Farewell Burn. His knee popped out and he had to tape it up so it would stay in place.  (Bob Hallinen/Anchorage Daily News/Tribune News Service via Getty Images)", "Image Copyright": "2014 MCT"}