If Forsett does not return, Washington is signed through 2014 and would serve as a third-down back.

In addition, he could be used as a third-down back or receiver.

He said Barber would concentrate on his duties as a third-down back.

He can run the ball every down if needed, but the Giants will mainly use him as a third-down back.

Green is a big tight end, Williams a third-down back.

No disrespect to him, but I never have seen myself as a third-down back and kick returner.

Ringer is expected to play special teams and operate as a third-down back.

Meggett made the team, and he quickly became the third-down back in the shotgun.

So the 49ers don't really have a third or fourth receiver, or a third-down back.

He was third in the league with a 12.7-yard average and also became a threat as a third-down back and occasional receiver.