San Francisco 49ers fullback Joe Perry, right, shows quarterback Y. A. Tittle the plastic mask he has worn most of the current professional football season at a practice session in Menlo Park on Nov. 4, 1953.
San Francisco 49ers fullback Joe Perry, right, shows quarterback Y. A. Tittle the plastic mask he has worn most of the current professional football season at a practice session in Menlo Park on Nov. 4, 1953. Associated Press file
San Francisco 49ers fullback Joe Perry, right, shows quarterback Y. A. Tittle the plastic mask he has worn most of the current professional football season at a practice session in Menlo Park on Nov. 4, 1953. Associated Press file