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Craig Morton
Larry Craig Morton (born February 5, 1943) is a former American football quarterback who played in the National Football League (NFL) for 18 seasons, primarily with the Dallas Cowboys and Denver Broncos. He played college football at California, receiving All-American honors, and was selected by the Cowboys fifth overall in the 1965 NFL Draft. Following nine seasons on the Cowboys, a quarterback controversy with Roger Staubach led to Morton joining the New York Giants for three seasons. He spent his final six seasons as a member of the Broncos, winning NFL Comeback Player of the Year and AFC Offensive Player of the Year in 1977.
Morton is the first starting quarterback to appear in the Super Bowl with more than one franchise, having helped lead the Cowboys to Super Bowl V and the Broncos to Super Bowl XII. He is also the only quarterback to start for multiple franchises in their inaugural Super Bowl appearance. Morton was inducted to the College Football Hall of Fame in 1992.
Source: Wikipedia