FBO: A glossary of NFL terms

Ever wonder what a 'circus elephant' or a 'three-quarter delivery' are?

Originally Published: September 1, 2010
By Bill Barnwell | Football Outsiders

Are you a diehard football fan -- Saturdays and Sundays all fall, locked into the TV and the box scores -- but oftentimes find yourself not understanding all the terms announcers and analysts use?

Bill Barnwell (@billbarnwell) is a staff writer for Grantland.