Steve Sax wore #52 with the Dodgers in his first season, 1981, then #3 between 1982-1988. He wore #6 for the Yankees between 1989-1991, #7 for the White Sox in 1992 and 1993, and #6 for the Athletics in 1994.
Steve Rodriguez Rico wore no. 6. Steve Rodriguez is right. Here's a list of who wore every number: http://www.redsoxdiehard.com/players/unifnums.html
Recently, Tim Naehring wore #11.
Bill Cerv wore #7 in 1951 before Mantle did.
11
Michael Owen wore jersey number 7 for mancunian republic in 2010-2011.
QB Ron Jaworski.Jaworski wore #7 for the Eagles between 1977-1986.
7
David Beckham wore the number 7 jersey before Ronaldo at Manchester United, Beckham wore the7 number jersey for England as well.
Dustin Pedroia is number 15 on the Boston Red Sox.
Currently Jason baker #7
Ben Roethlisberger currently wears number '7' for the Pittsburgh Steelers.