Quote:
Originally Posted by Joborule
Technically, defense should be better for the CFL due to defending only 3 downs instead of 4.
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The American game introduced four downs hoping to increase scoring, but it had the opposite effect. Four downs allows teams to grind it out on the ground and shorten the game.
http://en.wikipedia.org/wiki/Compari...rican_football
To generate more offence, the number of downs was also increased by Harvard to 4 from 3 as set by McGill.
The 2008 CFL rule book:
http://www.cfl.ca/page/game_rule_rule1