I personally use line shifts on every run play unless I determine that my opponent is not shifting at all.
My run game has exponentially multiplied in production from the day I started shifting my line on offense back on madden 05 or 06.
I would like some feedback from the community on what percentage of players use the line shifts on Offense and defense and how effective you think the shifting is.
The main reason is that I am currently in an argument on the EA forums with a couple of scrubs that won't even try what I am telling them. They just insist that I am looney for even suggesting that line shifts have a huge role in the Madden strategy.
Here is the link to that arguement. Run Game on all-madden - Madden General Discussion - Madden NFL Series: EA Forums
Thanks in advance for your feedback!