In their numerous battles at the Houston Supercross in the early 1980s, Mark Barnett generally had the upper hand, winning multiple times, including a significant sweep in 1982 where he beat Broc Glover. Broc Glover did secure one Houston win in 1980.

Barnett and Glover raced each other in multiple Houston Supercross events in the Astrodome during the peak of their careers in the early 1980s. A notable event occurred in 1983 where a fierce battle saw Barnett ultimately win the race after a physical pass on Glover, who finished third.

In the 1985 Houston Supercross, which was a 250SX East/West Showdown round, Barnett finished in sixth place, while Glover's finish in that specific race is not explicitly detailed in the provided information, but he finished second in the overall 1985 AMA Supercross Championship standings that year. The 1985 Houston 250SX event was won by Jeff Ward.