He was selected by the Green Bay Packers in the sixth round of the 1979 NFL draft and played that season with the team.
In the fall of 1984, Simmons signed with the defending USFL Champion Baltimore Stars but was traded to the Houston Gamblers for a draft choice during training camp in February 1985.
Simmons made the opening day roster of the Gamblers, however, was deactivated for the first game at Los Angeles and two days later was waived.
Three weeks later, Simmons signed with the Arizona Outlaws and played as a reserve linebacker for the remaining 15 games (starting 3).
This biographical article relating to an American football linebacker born in the 1950s is a stub.