The matchup that everyone is talking about for Saturday's game between Alabama and LSU is how much can the Crimson Tide defense slow down Heisman favorite Leonard Fournette. 

LSU's super sophomore averages nearly 200 rushing yards per game (193.1 to be exact), which is nearly 50 yards better than the second best running back in the country. Fournette's worst output came a week ago against Western Kentucky, but he still totaled 150 yards on the ground. In September, he eclipsed the 200-yard mark three straight games.

But he hasn't faced a test like Alabama up to this point.

Nick Saban's defense, which showed major weaknesses at times in 2014, appears to be a vintage version this year. The Crimson Tide ranks third nationally in rushing defense and fourth in total defense. Only twice has it allowed more than 100 rushing yards in a game this season (Georgia, Tennessee).

Butkus Award semifinalist Reggie Ragland met with the media on Monday of LSU week to talk about the challenges of facing LSU.

"They run the ball, run the ball," Ragland said. "Then if you're not doing your job in the back, they'll throw it over your head."

The two heavyweights will square off on Saturday night at 7 PM/CT on CBS.

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