Definition: An offensive player who runs with the football.
Also Known As: tailback, halfback, fullback, and wingback
Examples:
On most running plays, the running back(s) lines up in the offensive backfield.
About Football Glossary - Running Back
From James Alder, former About.com Guide
Suggested Reading
Explore Football
Also from About.com:
©2012 About.com. All rights reserved.
A part of The New York Times Company.