Many people answer this question with "Jimmy Johnstone" but this is wrong, No one wore the number seven shirt, as Celtic did not wear numbers on their shirts back then, they wore their sqaud numbers on their shorts Jimmy Johnstone did wear the number 7 that day, but on his shorts
Celtic legend Henrik Larsson wore No. 7 :o)
Center Jared Sullinger wears No. 7 for the 2014-15 Boston Celtics.
Bill Cerv wore #7 in 1951 before Mantle did.
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Michael Owen wore jersey number 7 for mancunian republic in 2010-2011.
QB Ron Jaworski.Jaworski wore #7 for the Eagles between 1977-1986.
David Beckham wore the number 7 jersey before Ronaldo at Manchester United, Beckham wore the7 number jersey for England as well.
Currently Jason baker #7
Ben Roethlisberger currently wears number '7' for the Pittsburgh Steelers.
he wore number 7
Mel Hein. a center who played in the late 1920's until the late 1930's wore number 7, and the number was retired by the Giants.
Mickey Mantle wore number 7 for the Yankees, the American League Division of the MLB, and Craig Biggio wore number 7 for the Astros, the National League Division of the MLB. (Major League Baseball)