Splitting time with the veteran Clinkscales during the 1986 season, Miller caught 36 passes for a team-leading 667 yards and 5 touchdowns, and returned 24 kickoffs for 522 yards. In his debut against New Mexico, he caught 5 passes for 80 yards, and caught 5 passes for 66 yards in his SEC debut against Mississippi State. In Tennessee's loss to Auburn, Miller provided the Vols' lone touchdown, catching a screen pass from Randy Sanders and racing 60 yards to the end zone. Miller caught a 70-yard touchdown pass and returned 6 kickoffs for a school-record 126 yards in Tennessee's loss to Alabama. He had a 44-yard touchdown catch against Memphis State, and caught touchdown passes of 51 yards and 50 yards against Vanderbilt. He caught 6 passes for 72 yards in Tennessee's 21–14 win over Minnesota in the 1986 Liberty Bowl. He also practiced track.