Career
He also played in the American Football League for the Denver Broncos. Gonzaga played football for Mount Diablo High School, but didn"t attend college and continued to be involved in the sport by playing sandlot football. San Francisco 49ers
On October 21, 1956, he was signed as an undrafted free agent by the San Francisco 49ers, even though he never played a down of college football and he was working at the time in a steel mill.
As a rookie he was played at middle linebacker.
The next year he was used as a two-way right tackle. In 1958, he was moved to the left side.
Dallas Cowboys
He was selected by the Dallas Cowboys in the 1960 NFL Expansion Draft and became the first starter at right defensive end in franchise history and also led the team in sacks. On August 21, 1961, he was traded to the Detroit Lions in exchange for offensive guard Bob Grottkau and rookie Houston Entwine.
Detroit Lions
The Detroit Lions moved him to left tackle in his first two seasons with the team and then changed him to left guard.
After being a five-year starter, he was released on August 30, 1966. Denver Broncos (American Federation of Labor-Congress)
On September 6, 1966, he was signed as a free agent by the Denver Broncos of the American Football League. He played right guard.