When Doug Martin played tag as a child, his siblings and cousins could never catch him.
The stalky youngster was fast, but he also jumped off jungle gyms, did spin moves and rolled on the ground to keep from being caught. He even ran through a glass door once while to avoid being tagged.
"I was a fan of Jackie Chan, so I was doing all kinds of stuff," Martin says. "I was crafty."
One game Martin didn't play as a child was football. But that changed eight years ago when he arrived at St. Mary's High School in Stockton, Calif.
The summer before Martin's freshman year, the school's athletic director saw him run during a basketball camp and recommended he try out for the football team. When Martin did, he thought it was only logical he play running back because of his elusiveness playing tag.
But when Martin showed up for his first practice, he wore lineman's cleats and didn't have his pads on correctly. Martin's teammates laughed at ...