a second-round pick this weekend who will make an immediate impact on special teams

A general classification for halfbacks and fullbacks, whose primary responsibility is to run with the football.

Also referred to as a “halfback” or “rusher”. This player's responsibilities include carrying the ball during running plays and receiving during pass plays.

Positioned behind the quarterback, there are two running backs, whose job it is to run with the ball, which is typically handed off by the quarterback. Part of the offensive backfield. In college and high school football, there are halfbacks and fullbacks in these positions, but in professional football they are simply the two running backs.

a player position on offense

A running back is a person who normally carries the ball for yardage on running plays. This is either a halfback or fullback.

An offensive player who lines up behind the quarterback and who is responsible for running with the football. Running backs must possess great speed and quickness.

One of two players behind the quarterback who, if handed or pitched the ball by the quarterback, will run with the ball -- preferably toward the defensive team's end zone.

A running back, halfback, tailback or wingback is the position of a player on an American and Canadian football team who lines up in the offensive backfield. Depending on the offensive formation, the halfback may be joined in the backfield by other backs, most commonly a fullback.