Designed rollouts , screens , and shovel passes keep defenses on their toes .
Designed rollouts , screens , and shovel passes open up the vertical passing game , where Roethlisberger 's cannon arm becomes supremely dangerous .
Designed rollouts , screens , and shovel passes keep defenses on their toes and open up the vertical passing game , where Roethlisberger 's cannon arm becomes supremely dangerous .