The 2013 Boston Red Sox season was the 113th season in the franchise's Major League Baseball history. Under new manager John Farrell, the Red Sox finished first in the American League East with a record of 97 wins and 65 losses. In the postseason, the Red Sox first defeated the AL wild card Tampa Bay Rays in the ALDS. In the ALCS, the Red Sox defeated the American League Central champion Detroit Tigers in six games. Advancing to the World Series, the Red Sox defeated the National League champion St. Louis Cardinals in six games, to capture the franchise's eighth championship overall and third in ten years. The Red Sox became the second team to win the World Series the season after finishing last in their division; the first had been the 1991 Minnesota Twins.

John Edward Farrell is an American former baseball pitcher, coach, and manager in Major League Baseball (MLB). During his eight-season playing career, Farrell was a member of the Cleveland Indians, California Angels, and Detroit Tigers. He was the pitching coach for the Boston Red Sox from 2007 to 2010, before serving as manager of the Toronto Blue Jays from 2011 to 2012. He returned to the Red Sox as their manager in 2013, winning the World Series with them in his first year, and led the team until 2017. Since 2018, he has held a scouting position with the Cincinnati Reds.