I formation
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The I formation is one of the most common offensive formations in American football. The I formation draws its name from the vertical alignment of quarterback, fullback, and running back, particularly
Texas Longhorns in the I formation. From top to bottom: tailback, fullback, quarterback, center
Running back
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A running back is a member of the offensive backfield in gridiron football. The primary roles of a running back are to receive handoffs from the quarterback to rush the ball, to line up as a receiver
I formation
…in American football. The I formation draws its name from the vertical (as viewed from the opposing endzone) alignment of quarterback, fullback, and running back, particularly when contrasted with the same players' alignments in the T formation. The formation begins with the usual 5 offensive linemen (2 offensive…
Running back Saquon Barkley against defender Ha Ha Clinton-Dix in December 2018
A running back turns up the field in an attempt to reach the end zone
Darren Sproles, a "scat back"
Adrian Peterson (left) and Christian McCaffrey (right), representative of an old school power running and modern receiving running back style, respectively