"A sack is when you run up behind somebody who's not watching, he doesn't see you, and you really put your helmet into him.
James Porteous on Tuesday: American football�s sophisticated savagery has not travelled well; the game that epitomises US culture makes another attempt this Sunday, when the New York Giants play the Miami Dolphins at Wembley.
"A sack is when you run up behind somebody who's not watching, he doesn't see you, and you really put your helmet into him.