The Boston Red Sox are a household name in Major League Baseball. Their current acronym, short form and abbreviation is BOS.
The Boston Red Sox 3-letter abbreviation is BOS. The franchise is currently based in Boston and competes in Major League Baseball as a member club of the American League East Division.
The Red Sox was founded in 1901. The team is currently ranked as one of the best and most successful MLB teams in history having won over nine World Series titles.