He played college football for the Tennessee Volunteers, leading the Southeastern Conference (SEC) in touchdowns his freshman year.

[1] A second-round selection in the 1990 NFL draft, he initially played for the Tampa Bay Buccaneers, registering his best season in 1992 when he rushed for over a thousand yards and scored nine touchdowns.

[3] As a member of Central's track team, Cobb won the state long jump title, and placed fifth in the 100-meter dash.

[3] Cobb signed with the Tennessee Volunteers in 1986, part of a stellar recruiting class that included future NFL players Alvin Harper, Anthony Miller, Antone Davis, Charles McRae, and Tracy Hayworth.

[3] He redshirted his first year as veterans William Howard, Keith Davis and Charles Wilson handled the bulk of the team's rushing duties.

[4] Cobb received considerable playing time in his first game of the 1987 season and made the most of the opportunity, erupting for 138 yards on 25 carries in the Vols' 23–22 win over Iowa.

[21] The biggest game of Cobb's college career came in Tennessee's 21–14 win over Auburn, when he exploded for 225 yards on 22 carries, including a 79-yard touchdown run in the second quarter.

[22] In Tennessee's 17–14 win over Georgia, Cobb rushed for 106 yards on 20 carries, and scored a key touchdown in the fourth quarter.

In spite of his past drug use, Tampa Bay took a chance and made Cobb their second-round pick in the 1990 NFL draft.

[39] In the Packers' loss to Philadelphia on September 18, Cobb scored the team's lone touchdown on a 37-yard pass from Brett Favre.

[50] Following his NFL playing career, Cobb entered the scouting profession with the help of fellow ex-Vol (and current senior personnel executive for the Miami Dolphins) Reggie McKenzie.

[51] Cobb died in Santa Clara, California from a heart attack due to one of his arteries being 80% blocked on April 20, 2019, at the age of 50.