Definitions for "T-formation"
a classic offensive formation with the quarterback directly behind the center and two or three running backs behind the quarterback, forming a 'T'. tackle - the act of forcing a ball carrier the ground tackle - a player position on the line, either an offensive tackle or a defensive tackle tight end - a player postition on offense
This is an offensive alignment where two running backs are lined up behind the quarterback, and one back is split to the left and the other one to the right. Also called a split backfield formation.