Ted Williams wore the number 9 for the Boston Red Sox.
Jim Rice. He was inducted into the Baseball Hall of Fame and his number got retired by the Red Sox on Tuesday.
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
Carl Yastrzemski wore #8 for the Boston Red Sox.
Johnny Pesky wore number six. That number is now retired.
Luis Aparicio wore #11 with the Boston Red Sox.
Tony Perez wore #5 for the Boston Red Sox.