Career
Johnson played flanker and Number 8 for the United States of America Eagles. He was selected to tour with the United States of America Eagles squad for the Autumn 2010 tour of Europe, and represented the United States at the 2011 Rugby World Cup, where he started three matches. He started playing rugby around 20 years old.
He began playing with the United States of America Sevens in 2007.
His debut for his country was against Ireland at Santa Clara on May 31, 2009. On the club level, Johnson has played with ORSU Jesters, where he was named young player of the year in 2004-2005, and with the Glendale Raptors.