This is almost inconceivable. Google it.
The 2004 Olympic champion, who last year made his return to competition after serving a four-year doping ban, says he got frostbite two weeks ago after going into a cryogenic chamber with wet socks.
Read more: http://www.dailymail.co.uk/sport/othersports/article-2029524/Justin-Gatlin-arrives-frostbite-world-championships.html#ixzz1W1Hx5urM
This type of injury is not that uncommon. Athletes may treat sore muscles, shin splints, etc, with blue ice, it starts to feel better, then the area starts to go numb, then pain is completely gone, they lose track of time, and when they remove the blue ice, the skin is damaged.