Herchman played for the San Francisco 49ers and Dallas Cowboys of the NFL, and the Houston Oilers of the AFL.

Herchman attended Vernon High School before moving on to Tyler Junior College.

On June 30, 1960, he was traded to the Dallas Cowboys in exchange for a fourth round draft choice (#46-Charlie Sieminski) .

[4] In 1960, Herchman was a part of the Dallas Cowboys inaugural season and was a backup to Ed Husmann at defensive tackle.

Herchman married Janis Lee Hargrove and they had four children, Randy, Terry, Kathy and Missy.