Mark O’Neal

• School University of Arkansas

Mark O'Neal has been a trainer.

O'Neal was in the St. Louis Cardinals organization from 1989-2003. He worked in the minors before joining the Cards as the medical and rehabilitation coordinator in 1998. In 2003, he was promoted to assistant athletic trainer. The next year, he joined the Chicago Cubs as head athletic trainer. In 2008, the Cubs training staff was named Major League Athletic Training Staff of the Year at the winter meetings. He was the National League trainer in the 2009 All-Star Game.

Source: 2011 Cubs Media Guide