Look for J.R. Celski to provide some formidable competition to the might South Korean squad on the short track speed skating rink.
With American Apolo Anton Ohno not participating in the 2014 Winter Olympics, Celski, 23, is short track's biggest star.
Coming into the Olympics with two bronze medals from Vancouver, Celski is hoping to go home with gold this time.
"Each new day is a new chance at getting better #beunstoppable" he tweeted from Sochi.
Hometown: Celski is from Federal Way, Wash. He now calls Salt Lake City, Utah home.
How it all began:
"When I was 3 my parents strapped on a pair of playskool plastic roller skates to my feet, and that's where the story begins," Celsiki wrote on his website
He started training in short track when he was 12 years old.
Why They Call Him the "Comeback Kid":
On the final day of Olympic trials in 2009, Celski fell, which caused six inches of his own skate blade to slice through his left quadriceps, severing his entire muscle.
After an intense few months of rehab at the Olympic Training Center, Celski was back on the ice and training two months before the 2010 Vancouver games.
One day after opening ceremonies, Celski won his first Olympic medal, a bronze, in the 1500m. He took home a second bronze medal from Vancouver along with his men's 5000m relay teammates.
Off the Ice:
After the Vancouver games, Celski filmed a documentary called "The Otherside" about the hip hop community in the northwest.
He's Big on Social Media:
Follow Celski on Twitter at @jrcelski and on Instagram at @celskeet, where he's been posting photos from his time in Sochi.