5 Louisville Cardinals who benefit the most from Isaac Brown returning

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2. Offensive Line

One of the biggest questions heading into the 2025 season was just how good the offensive line would be. A mixed bag of veterans and new faces quickly became a strength thanks largely to the success of the run game. Offensive linemen would much rather run block and impose their will at the line of scrimmage, and that becomes much easier when you have a running back who can score from anywhere on the field.

Isaac Brown is exactly that kind of back. In 2025, he averaged 8.8 yards per carry after posting 7.1 the year before. He also recorded six runs of 50 yards or more, five of which went for touchdowns. That level of explosiveness can make an offensive line look great, whether they actually are or not. While the line did improve over the course of the season, many of the preseason concerns faded by midseason—and much of that credit goes to Brown’s production.

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