Johnny Pesky wore number six. That number is now retired.
anderw jones
Ted Williams wore the number 9 for the Boston Red Sox.
Luis Aparicio wore #11 with the Boston Red Sox.
Crisp wore # 10 with the Red Sox.
Most recently, Marco Scutaro
Terry Forster
Paul Konerko
Click on the 'Red Sox Numbers' link on this page to see every player that wore every number in Red Sox history.
That was Johnny Damon who wore #18 for the Red Sox between 2002-2005.
Mike Ryba, a pitcher, wore #20 for the Red Sox between 1942-1946.
Johnny Damon
Pitcher Keith Foulke wore #29 for the Red Sox between 2004-2006.