Landrum played on the PGA Tour from 1983 to 1985. His best finish was a T-2 at the 1984 Danny Thomas Memphis Classic. His best finish in a major was a T-8 at the 1983 U.S. Open. Since his touring career, Landrum founded Landrum Golf Management and continues to work as a PGA Master professional. As of 2019, Golf Digest lists Landrum as a top golf instructor in the state of Kentucky.[1]