Rick Bowmer/Associated Press
Zack Moss knows he's a punishing runner. He hears about it all the time from fans, opponents after games and others.
"I've heard people say, just by looking at me, they want to get into a cold tub," he said when he met the press at the NFL Scouting Combine last week.
Watch the 223-pound Utah running back's sizzle reel and you may want to visit the trainer's room, too. There are broken tackles and seismic collisions, plus surprising jump cuts and spin moves that leave defenders with twisted ankles to go with their bruises.