San Francisco 49ers Hall of Fame quarterback Y.A. Tittle (14), circa 1950's. (Pro Football Hall of Fame via AP Images)

New York Giants Hall of Fame quarterback Y.A. Tittle circa 1963. (Photo by NFL Photos)

New York Giants Hall of Fame quarterback Y.A. Tittle and head coach Allie Sherman during a 20-17 loss to the Green Bay Packers on December 3, 1961 at Milwaukee County Stadium in Milwaukee, Wisconsin. (Photo by Vernon Biever/NFL Photos)

From left, former San Francisco 49ers and NFL Hall of Famers Y.A. Tittle, Bob St. Clair and Joe Perry, right, wearing tie holding frame, appear at a public practice held at Kezar Stadium Monday, Aug. 25, 2003, in San Francisco. The reunion of the 49ers alumni coincides with the Kezar location, the original home of the team in the 50's & 60's. The field here was dedicated as Bob St. Clair Field. (AP Photo/Ben Margot)

Pro Football Hall of Famer Y.A. Tittle, left, watches the San Francisco 49ers' preseason NFL football game against the San Diego Chargers from the sidelines with his grandson Jack Tittle, 10, in San Francisco, Friday, Sept. 1, 2006. (AP Photo/Paul Sakuma)

Louisiana State University quarterback Y.A. Tittle during practice in 1946. Tittle would go on and become a Hall of Fame quarterback playing for New York Giants, Baltimore Colts, and San Francisco 49ers. Y.A. Tittle - Louisiana State University - File Photos (AP Photo/NFL Photos)

Hall of Fame quarterback Y.A. Tittle of the New York Giants. Y. A. Tittle - New York Giants - File Photos (AP Photo/NFL Photos)

Hall of Fame quarterback Y. A. Tittle, left, hands off to Hall of Fame running back Hugh McElhenny in an undated image, circa 1952-63. (AP Photo/NFL Photos)

Hall of fame football player Y.A. Tittle is shown before an NFL football game between the San Francisco 49ers and the Seattle Seahawks in San Francisco, Sunday, Sept. 11, 2011. (AP Photo/Paul Sakuma)

New York Giants Y.A Tittle (14) portrait with unknown coach. Y.A Tittle played for 17 season with 3 different teams. He was a 7-time Pro Bowler and and was inducted into the Pro Football Hall of Fame in 1971.(David Durochik via AP)

NFL great and LSU alumnus Y.A. Tittle arrives in Tiger Stadium in the first half of an NCAA college football game against Mississippi State in Baton Rouge, La., Saturday, Sept. 20, 2014. (AP Photo/Gerald Herbert)

Former quarterback Y.A. Tittle is announced to the fans as he is inducted into the San Francisco 49ers Hall of Fame before during the NFL week 11 football game against the Chicago Bears on Monday, Nov. 19, 2012 in San Francisco. The 49ers won the game 32-7. (AP Photo/Paul Spinelli)

Y.A. Tittle, New York Giants' player, studies his playbook on Nov. 12, 1963 before the Giants take the practice field. (AP Photo/ Bob Goldberg)

Y.A. Tittle directs a last minute shift in strategy as the big Giants line engages the Dallas Cowboys, Nov. 12, 1963. (AP Photo/Ruben Goldberg)

Y.A. Tittle, New York Giants back is shown in dressing room on Dec. 15, 1963 at New York's Yankee Stadium after he pitched his team to the National Football League's eastern conference title with three record-breaking touchdown passes. The last game of the season ended with a 33-17 giants victory over Pittsburgh Steelers. (AP Photo)

Giants quarterback Y.A. Tittle (14), back in the starting role for the New York club, rolls out under a veil of protection to toss a first period pass to teammate Joe Morrison against the Cleveland Browns, Dec. 12, 1964, at Yankee Stadium in New York City. Pass was incomplete. Offering protection for Tittle are, Ernie Wheelwright, (30) Dick James, (47) and Rosey Brown (79). (AP Photo)

New York Giants quarterback Y.A. Tittle poses with his jersey and helmet as he announced his retirement as a player with the National Football League team on Jan. 22, 1965 in New York City. (AP Photo)

Former New York Giant's quarterback Y.A. Tittle (14) eludes tacklers during a showcase of the NFL Throwbacks jerseys at the South Street Seaport in New York on Wednesday, Sept. 14, 1994. The jerseys, replicas of significant years in NFL franchise history, will be worn by all NFL teams on Sept. 18th and 19th. (AP Photo/Ed Bailey)

Hall of Fame quarterback Y.A. Tittle as a Baltimore Colts player in 1948. (AP Photo/NFL Photos)

New York Giants quarterback Y.A. Tittle (14) looks on from the sideline during an NFL game, circa 1960's. (Tony Tomsic via AP)

Y.A. Tittle of Baltimore Colts (football teams) on Nov. 2, 1948. (AP Photo/Zimmerman)

San Francisco ?49er 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 at Menlo Park, California on Nov. 4, 1953. Tittle, who suffered a cheek bone fracture against the Detroit Lions on October 11, is wearing the mask he used in game with Chicago Bears on November 1, when he led his team to victory. Perry wears the mask to protect his bridgework. (AP Photo)

Trio of stalwart San Francisco 49er football players having a combined total of 34 years in professional football, posed at the 49er training camp in Redwood City, Calif., Nov. 4, 1959. From left: tackle Leo Nomellini, 10-year veteran; Y.A. Tittle, 12 years, and Joe Perry, 12 years. They are prepping for their game in Los Angeles against the Los Angeles Rams. (AP Photo/Clarence Hamm)

San Francisco 49ers Hall of Fame quarterback Y.A. Tittle(14) on a run in a 24-14 win over the Green Bay Packers on October 20, 1957 at Lambeau Field in Green Bay, Wisconsin. (AP Photo/Vernon Biever)

The New York Giants awesome defensive team his been getting fierce competition from the offensive unit since quarterback Y.A. Tittle took command. Photo passing form; pass shown was incomplete, but the balding veteran connected for three touchdown passes in 42-21 victory. In last three games giant offense has rolled op 133 points. (AP Photo)

Pittsburgh Steelers defensive end John Baker crashes into quarterback Y.A. Tittle of the New York Giants, as Tittle follows through on a pass in the second quarter of the game, Sept. 20, 1964, in Pittsburgh. Steelers won, 27-24. (AP Photo/Dozier Mobley)