Examples from the Web for backfield
A hulking defender breaks into the backfield and takes him down with a vicious clothesline tackle.Two New Films Preach Our Nation’s Corrosive Gridiron Gospel|Steve Almond|September 20, 2014|DAILY BEAST
Tim Otis had a remarkably good day and was undeniably the best man in the backfield for the home team.
Time was called for some reason, and we noticed that the backfield men were clustered about Crowther, our quarterback.
"Two in the line and two in the backfield is good," jeered Tim.
Then—it is a fake-kick; the backfield lines up in the kick formation, but the ball is passed to Butch, at your right.T. Haviland Hicks Senior|J. Raymond Elderdice
Harvard follows Charlie Daly's backfield play; improved upon somewhat, of course, according to conditions.