Has a College Football game ever ended 5-2?
Yes. College Football has seen a final score of 5-2 3 times. It first happened on October 19, 1887, when Rutgers beat Stevens, and most recently on November 11, 1907, when Kentucky beat Maryville College (TN).
That makes 5-2 the 1476th most common final score out of 2,215 that have ever occurred in College Football. One point away, 6-2 has happened 49 times and 5-3 has happened 13 times.