Louisville defensive coordinator Todd Grantham and senior lineman Sheldon Rankins talk after practice

Louisville defensive coordinator Todd Grantham and defensive lineman Sheldon Rankins spoke with the media following Wednesday's practice

As the University of Louisville defense preps to face Boston College at Papa John's Cardinal Stadium on Saturday afternoon, the focus has been not only on improving, but focusing on giving improved effort for an entire game.

Last Saturday the Cardinals went to the locker room leading Florida State 7-6 at the half.  Louisville held the highly-rated Seminoles ground attack to zero yards during the first two quarters.  It was a different story in the second half as FSU ran for 133 yards and pulled away from the upset-minded Cardinals.

"When you play a game like that in the second half, you disect pretty much everything," U of L defensive coordinator Todd Grantham said on Wednesday. "From personnel, how they played, to how much played, what you're doing, that kind of stuff and you work to get better and make it an educational experience for the players. The thing that was so frustrating was how great we played in the first half."

Louisville will face a Boston College team that will run, and run often.  The Eagles offense, which utilizes an option-style, read-zone attack, keeps it on the ground 71 percent of the time.  The Cardinals will need to play a full game to keep the Boston College rush game in check, something that Grantham believes is a separator between good and great.

"What we need to learn is that it takes four quarters, it takes a second half," Grantham said. "It also shows you that there is a small difference between really, really good and not being where you want to be and you have to make sure that you hone in on your detail and you pay attention."

Check out Grantham and Sheldon Rankins full comments in the video player.

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