scrimmage line
line of scrimmage

On the 31-yard run, he was hit at the line of scrimmage and got free.

The next play he comes to the line of scrimmage.

So he came to the line of scrimmage and called the wrong play.

He can change the play at the line of scrimmage.

If he isn't past the line of scrimmage, you have to stay back.

Only six players are set on the line of scrimmage.

He read pass and started toward the line of scrimmage.

Set the line of scrimmage before he offered anything else.

He went down behind the line of scrimmage five times for 46 yards lost.

"I just tried to get it back to the line of scrimmage."