He also recorded three fumble recoveries, which tied for second-best in the league.

Marshall recorded 12 sacks, 3 fumble recoveries, and 1 interception during the season.

For his career, he recorded 19 interceptions and 10 fumble recoveries.

As a senior he recorded 112 tackles, eight interceptions, and three fumble recoveries on defense.

He finished his career starting 148 of 160 games, recording 50 interceptions, two touchdowns, a sack, and 12 fumble recoveries.

He played in 138 games, recording 29.5 sacks and 5 fumble recoveries, which he returned for a total of 71 yards.

He also recorded 7 interceptions and 12 fumble recoveries.

He also recorded five fumble recoveries and forced two fumbles.

His best season was in 1976 when he recorded 9 interceptions, 141 return yards, 1 touchdown, and 2 fumble recoveries.

He also recorded 3 sacks and 10 fumble recoveries, which he returned for 106 yards.