Bars are often narrower with a deeper drop.
At the Eagle 49 on a third-and-8 pass, Aikman took a deep drop.
He throws from a three-step drop rather than a deep drop, which makes it difficult for most defenses to get to him.
One side of the narrow path was a wall of rock; on the other was a deep vertical drop.
Far deeper drops were suffered yesterday by Internet-related companies.
"The fourth quarter will show an even deeper drop than the third quarter."
Their 10- to 12-yard passes don't need a deep drop.
When the quarterback throws from a deep drop, it is an invitation to a sack.
Behind the wall was a deep drop to the moat below, making the area secure.
Manning is rarely hit because he usually takes a deep drop - about 9 yards - and he releases the ball quickly.