They have played each other with both a Super Bowl and a playoff spot at stake. There was the “Bounty Bowl,” Emmitt Smith getting stuffed, Eagles fans cheering for a motionless Michael Irvin, and Terrell Owens stoking controversy for each side. Dallas and Philadelphia have lined up against each other 99 times in games that have forged one of the most heated rivalries in the NFL. Somehow it seems fitting the 100th meeting would have something significant on the line.