Question: What sport do both Jacoby Ellsbury and the 2013 Boston Red Sox season have in common?

Context paragraphs:
2007 Boston Red Sox season: The 2007 Boston Red Sox season was the 107th season in the franchise's Major League Baseball history.  Managed by Terry Francona, the Red Sox finished first in the American League East with a record of 96 wins and 66 losses.  In the postseason, the Red Sox first swept the American League West champion Los Angeles Angels of Anaheim in the ALDS.  In the ALCS, the Red Sox defeated the American League Central champion Cleveland Indians in seven games, despite falling behind 3–1 in the series.  Advancing to the World Series, the Red Sox swept the National League champion Colorado Rockies, to capture their second championship in four years.

2013 Boston Red Sox season: 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.  Amazing postseasons offensively from David Ortiz and Jacoby Ellsbury helped lead the way along with great pitching from Jon Lester, John Lackey and Jake Peavy.

Jacoby Ellsbury: Jacoby McCabe Ellsbury ( ; born September 11, 1983) is an American professional baseball center fielder for the New York Yankees of Major League Baseball (MLB).  He played in MLB for the Boston Red Sox from 2007 through 2013, and joined the Yankees before the 2014 season.

2003 Boston Red Sox season: The 2003 Boston Red Sox season was the 103rd season in the franchise's Major League Baseball history.  The Red Sox finished second in the American League East with a record of 95 wins and 67 losses, six games behind the New York Yankees.  The Red Sox qualified for the postseason as the AL wild card, and defeated the American League West champion Oakland Athletics in the ALDS.  The Red Sox then lost to the Yankees in the ALCS.

1967 Boston Red Sox season: The 1967 Boston Red Sox season was the 67th season in the franchise's Major League Baseball history.  The Red Sox finished first in the American League (AL) with a record of 92 wins and 70 losses.  The season had one of the most memorable finishes in baseball history, as the AL pennant race went to the very last game, with the Red Sox beating out the Detroit Tigers and Minnesota Twins by one game.  Often referred to as The Impossible Dream, this was the team's first winning season since 1958, as the Red Sox shocked all of New England and the rest of the baseball world by reaching the World Series for the first time since 1946.  The Red Sox faced the National League champion St. Louis Cardinals in the 1967 World Series, which the Cardinals won in seven games.

2004 Boston Red Sox season: The 2004 Boston Red Sox season was the 104th season in the franchise's Major League Baseball history.  Managed by Terry Francona, the Red Sox finished with a 98–64 record, three games behind the New York Yankees in the American League East.  The Red Sox qualified for the postseason as the AL wild card, swept the Anaheim Angels in the ALDS, and faced the Yankees in the ALCS for the second straight year.  After losing the first three games to the Yankees and trailing in the ninth inning of the fourth game, the Red Sox became the first team in major league history to come back from a three-game postseason deficit, defeating the Yankees in seven games.  The Red Sox then swept the St. Louis Cardinals in the World Series, capturing their first championship since 1918.

2008 Boston Red Sox season: The 2008 Boston Red Sox season was the 108th season in the franchise's Major League Baseball history.  The Red Sox finished in second place in the American League East with a record of 95 wins and 67 losses, two games behind the Tampa Bay Rays.  The Red Sox qualified for the postseason as the AL wild card, and defeated the American League West champion Los Angeles Angels of Anaheim in the ALDS.  The Red Sox then lost to the Rays in the ALCS in seven games.

2005 Boston Red Sox season: The 2005 Boston Red Sox season was the 105th season in the franchise's Major League Baseball history.  The Red Sox finished second in the American League East with a record of 95 wins and 67 losses, the same record as the New York Yankees.  The Yankees were deemed the division winner, due to their 10–9 head-to-head record against the Red Sox during the regular season.  The Red Sox qualified for the postseason as the AL wild card, but were swept by the American League Central champion Chicago White Sox in the ALDS.

1975 Boston Red Sox season: The 1975 Boston Red Sox season was the 75th season in the franchise's Major League Baseball history.  The Red Sox finished first in the American League East with a record of 95 wins and 65 losses.  Following a sweep of the Oakland Athletics in the ALCS, the Red Sox lost the World Series to the Cincinnati Reds in seven games.  In their 4 losses in the World Series, they had a lead at one point in the game, only to let the Reds come back and win all 4, spoiling the Sox's chances at winning the World Series for the first time since 1918, which would've ended the Curse of the Bambino.  In game 7, the Red Sox had a 3-0 lead at one point, but the Reds rallied back to spoil the Red Sox chances of a major upset.

1918 Boston Red Sox season: The 1918 Boston Red Sox season was the eighteenth season in the franchise's Major League Baseball history.  The Red Sox finished first in the American League (AL) with a record of 75 wins and 51 losses, in a season cut short due to World War I.  The team then faced the National League (NL) champion Chicago Cubs in the 1918 World Series, which the Red Sox won in six games to capture the franchise's fifth World Series.  This would be the last World Series championship for the Red Sox until 2004.

Supporting paragraphs: 2013 Boston Red Sox season Jacoby Ellsbury
Answer: baseball