[2] In September 1978, Harden and Jerry Meter both intercepted passes thrown by Joe Montana to help secure a 28–14 victory over Notre Dame.
[3] He was selected as a first-team defensive back on the 1978 All-Big Ten Conference football team.
[4] Over the course of his collegiate career, Harden had 89 tackles, 42 assists, 6 interceptions and 95 return yards, 16 pass breakups, and 3 fumble recoveries.
[1] Harden was fined $5,000 ($12,920 in 2023) for a hit in the opening game of the 1988 season against division rival Seattle Seahawks that knocked out Steve Largent and resulted in a concussion and the loss of two teeth.
[7] Fourteen weeks later, in Seattle, Harden intercepted a Dave Krieg pass in the end zone and returned it twenty-five yards before being knocked off his feet by Largent and fumbling the football, which Largent also pounced on, giving the Seahawks possession again.