The 2007 American League Division Series (ALDS), the opening round of the 2007 American League playoffs, began on Wednesday, October 3 and ended on Monday, October 8. The 2007 AL Division Series consisted of three AL division champions and one wild card team, participating in two best-of-five series. They were:(1) Boston Red Sox vs. (3) Los Angeles Angels of Anaheim : Red Sox win series, 3–0. (2) Cleveland Indians vs. (4) New York Yankees : Indians win series, 3–1.

The 1986 American League Championship Series was a best-of-seven Major League Baseball postseason series between the Boston Red Sox and the California Angels for the right to advance to the 1986 World Series to face the winner of the 1986 National League Championship Series. The Red Sox came in with a 95–66 record and the AL East division title, while the Angels went 92–70 during the regular season to win the AL West.