Original sentence: A series of internet-based courses from Brigham Young University served as replacements for poor marks earned earlier in his academic career, enabling him to become eligible to play football in college.They also connected him with a tutor, who worked with him for twenty hours a week, eventually bringing his low-D performance up to a 2.05 grade point average
Edited sentence: He eventually brought his 0.9 grade point average  up to 2.65, by replacing Ds and Fs earned in school classes such as English with As in a series of 10-day-long internet-based "character' courses from Brigham Young University.They also connected him with a tutor, who worked with him for twenty hours a week