Baltimore Colts Hall of Fame quarterback Johnny Unitas (19) circa the mid-1960s. (National Football League)

Hall of Fame quarterback Johnny Unitas (19) of the Baltimore Colts looks for an open receiver during the Colts 13-7 victory the Los Angeles Rams on December 21, 1969 at the Los Angeles Memorial Coliseum in Los Angeles, California. (Darryl Norenberg/NFL)

Johnny Unitas of the Baltimore Colts NFL champions sits behind the wheel of his new fire-engine red Chevrolet Corvette in New York City, Dec. 31, 1958. The car was presented by Sport Magazine in recognition of his outstanding performance in the title playoff game. (Associated Press)

Hall of Fame quarterback Johnny Unitas during a rookie training camp with the Pittsburgh Steelers in Pittsburgh, Pennsylvania in 1955. (National Football League)

Quarterback John Unitas of the Baltimore Colts warms up his throwing arm during an autograph-signing session on July 19, 1961 at the club?s training camp in Westminster, Maryland. Patricia Smith, 8, of Glen Burnie, Md., is the helmeted collector. The Colt camp opened today on the Western Maryland College campus. (Associated Press)

Quarterback Johnny Unitas of the Baltimore Colts and Mrs. Unitas sit in auto given to him in New York on Dec. 30, 1959, as the most valuable player in Colts-New York Giants National Football League title game on December 27 in Baltimore. Unitas led his team to a 31-16 victory. It was the second consecutive year that Unitas has been honored in this fashion by a sport magazine. (AP Photo/Robert Kradin)

Congratulations were in order among three of the Baltimore Colts in Baltimore on Dec. 11, 1964. Quarterback John Unitas (left) was voted most valuable player in the National Football League, Don Shula (center), best coach, and halfback Lenny Moore as the comeback player of the year in a poll by the Associated Press. (Associated Press)

Quarterback John Unitas of the Baltimore Colts holds ice pack to knee injured in first half of game won by the Chicago Bears 13-0 in Baltimore on Dec. 5, 1965. The do-it-yourself treatment was not enough and Unitas was removed to a hospital for an operation. (AP Photo/JB)

Baltimore Colts quarterback Johnny Unitas (19) throws upfield while being pressured by Rams defensive tackle Merlin Olsen (74) in a 34 to 10 Baltimore Colts loss to the Los Angeles Rams on December 17, 1967 at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Baltimore Colts quarterback Johnny Unitas and veteran split end Raymond Berry (left) review films of previous Colt games in Baltimore on Oct. 25, 1967. Unitas completed 20 passes in Sunday?s game against the Minnesota Vikings, breaking the National Football League record for pass completions. Unitas has a career total of 2,131 completions. Berry, who will be sidelined for at least four weeks, has a dislocated shoulder. (AP Photo/William Smith)

John Unitas, quarterback of the Baltimore Colts, took time out for some sprucing up at the barber shop on Tuesday, Oct. 24, 1967 in Baltimore. (AP Photo/William Smith)

Quarterback John Unitas #19 of the Baltimore Colts poses for his headshot during training camp on July 15, 1967 in Baltimore, Maryland. (Pro Football Hall Of Fame/NFL)

Hall of Fame quarterback Johnny Unitas of the Baltimore Colts talks with Hall of Fame head coach Don Shula in a 1964 photo. (National Football League)

Hall of Fame quarterback Johnny Unitas of the Baltimore Colts in 1967. (National Football League)

Quarterback Johnny Unitas of the Baltimore Colts gets rid of the ball in a 1967 game against the Los Angeles Rams. (National Footbal League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas (19) and Hall of Fame wide receiver Raymond Berry (82) circa the early-1960s. (National Football League)

Hall of Fame quarterback Johnny Unitas drops back to pass in a Baltimore Colts 35-20 win over the New York Jets on December 19, 1970 at Memorial Stadium. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas at the 1967 NFL Pro Bowl. Unitas played for the West, which lost 20-10 to the squad from the East on January 22, 1967, at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Quarterback Johnny Unitas of the San Diego Chargers drops back to pass during the 1973 football season. (National Football League)

Quarterback Johnny Unitas of the San Diego Chargers in action during a 34 -7 win against the Buffalo Bills on September 23, 1973 at San Diego Stadium in San Diego, California. (Richard Stagg/NFL)

Baltimore Colts quarterback John Unitas #19 and Los Angeles Rams quarterback John Hadl #21 received the NFL Man of the Year Award prior to the 1972 NFL Pro Bowl on January 23, 1972 at the Los Angeles Memorial Coliseum in the Los Angeles, California. The American Conference defeated the National Conference 26-13. (Darryl Norenberg/NFL)

Johnny Unitas statue outside the M&T Stadium. Unitas was honored during halftime of the Indianapolis at Baltimore opening day game played at M&T Bank Stadium located in Baltimore, Maryland on September 11, 2005. The Baltimore Ravens lost the game 24 to 7. (Cappy Jackson/NFL)

Quarterback Johnny Unitas of the San Diego Chargers in action during a preseason game against the St. Louis Cardinals on August 11, 1973. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas receives treatment for a rib injury after Dallas Cowboys defensive end George Andrie slammed into Unitas causing Unitas to leave the game in a 16-13 win over the Dallas Cowboys in Super Bowl V on January 17, 1971. (National Football League)

Hall of Fame quarterback Johnny Unitas in a 1955 rookie photo as a Pittsburgh Steelers. He was cut, so he played semi-pro for a year before he was picked up by the Baltimore Colts. (National Football League)

Pro Football Hall of Fame and Baltimore Colts quarterback Johnny Unitas (19) in relief of starting quarterback Earl Morrall in the Colts 16-7 loss to the New York Jets in Super Bowl III on January 12, 1969 at the Orange Bowl in Miami Florida. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas (19) in 1968. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas (19) during a 34-10 loss to the Los Angeles Rams on December 17, 1967, at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas in 1967. (National Football League)

Hall of Fame quarterback Johnny Unitas (19) of the Baltimore Colts runs with the football behind the blocking of guards Dan Sullivan (71) and Alex Sandusky (68) during the Colts 17-3 victory over the Los Angeles Rams on October 30, 1966 at the Los Angeles Memorial Coliseum. (National Football League)

Hall of Fame quarterback Johnny Unitas of the Baltimore Colts in 1967. (National Football League)

Hall of Fame quarterback Johnny Unitas (19) of the Baltimore Colts throws a pass during the Colts 28-24 victory over the Los Angeles Rams on December 15, 1968 at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Baltimore Colts Hall of Fame quarterback Johnny Unitas (19) in 1970. (National Football League)

Baltimore Colts' quarterback Johnny Unitas (19) takes off for a second-quarter gain against the Washington Redskins, Dec. 1, 1963. (AP Photo/John Rous)

Hall of Fame quarterback Johnny Unitas (19) of the Baltimore Colts in 1966. (National Football League)

Baltimore Colts Hall of Fame stars John Mackey (88), Raymond Berry (82), and Johnny Unitas (19) on the sideline during the Colts 34-10 loss to the Los Angeles Rams on December 17, 1967 at the Los Angeles Memorial Coliseum in Los Angeles, California. (National Football League)

Hall of Fame quarterback Johnny Unitas of the Baltimore Colts in 1984. (National Football League)

The Baltimore Colts' Johnny Unitas, visiting on the set of television's "The Munsters" with other pro Bowl players, Jan. 5, 1965 gets some help with his smile from "Herman Munster," played by actor Fred Gwynne. (AP Photo/David F. Smith)

Johnny Unitas, star quarterback of the Baltimore Colts in the National Football League, displays his passing form to men of the 1st infantry division in Saigon, South Viet Nam on Feb. 15, 1966. Unitas was one of a number of sports figures who visited U.S. installations in Viet Nam. The first division headquarters area is near Bien Hoa, about 25 miles northwest of Saigon. (AP Photo/US Army)

Baltimore quarterbacks John Unitas, left, and Earl Morrall talk before practice in Miami on Jan. 13, 1971. Unitas said on Tuesday that the Colts would be "wide open" on offense for their Super Bowl appearance against the Dallas Cowboys on Sunday. (AP Photo/William Smith)

Johnny Unitas, right, Baltimore Colts and Gary Beban, quarterback for the University of California, Jan. 13, 1968. Unitas holds the trophy for outstanding player, Beban's is for outstanding college back. (Associated Press)

President Nixon is visited by Johnny Unitas, Baltimore Colts quarterback on Nov. 16, 1971 in Washington who is assisting in programs for the elderly as part of the White House conference on Aging. (AP Photo/Henry Burroughs)

Former Baltimore Colts quarterback Johnny Unitas, right, tells former Colt Lenny Moore what route to take as they prepare to run a ceremonial final play at Memorial Stadium in Baltimore, Md., Sunday, Dec. 14, 1997. (AP Photo/Roberto Borea)