He started every game of the last three seasons , 39 consecutive starts , at left tackle , left guard and right guard .
Duncan was a second - team All - Southeastern Conference pick as a senior by SEC coaches and Phil Steele 's College Football .
Duncan started every game of the last three seasons , 39 consecutive starts , at left tackle , left guard and right guard .
Duncan was a second - team All - Southeastern Conference pick as a senior by SEC coaches and Phil Steele 's College Football .