During 1997–2001, the divisions were paired with their geographical counterpart (AL East vs. NL East, AL Central vs. NL Central, AL West vs. NL West). Beginning in 2002, the divisional pairings rotated. The geographical counterparts were initially skipped in 2004, but returned to the schedule in 2006, creating a three-year rotation that remains in use. In 2020, due to the COVID-19 pandemic, the originally scheduled matchups were adjusted in order to limit travel. Divisional pairings for recent and upcoming seasons are: