"My heart was no longer in it," Broussard said. "I'm scheduled to graduate in December so I want to use the fall semester to dedicate my time towards getting my degree.
"I enjoyed my four years as part of the LSU football team and I wish my teammates success in 2007."
"We understand Alley's decision and we'll support him as he continues to pursue his college degree. We wish him success in his future endeavors and thank him for the time that he spent with our program."
In four years with the Tigers, Broussard played in 35 games, starting eight times. He finished his career with 1,537 yards rushing and 18 touchdowns. Broussard, who missed all of the 2005 season with a knee injury, returned to action last year, rushing for 281 yards and four touchdowns on 74 carries.