The closest MLB pennant and division races, 1901 to 2025

Tightest finishes

1. The 2006 NL West race finished level, the San Diego Padres and the Los Angeles Dodgers separated by nothing at all, with 24 lead changes.
2. The 2025 AL East race finished level, the Toronto Blue Jays and the New York Yankees separated by nothing at all, with eleven lead changes.
3. The 2005 AL East race finished level, the New York Yankees and the Boston Red Sox separated by nothing at all, with eight lead changes.
4. The 2001 NL Central race finished level, the Houston Astros and the St. Louis Cardinals separated by nothing at all, with seven lead changes.
5. The 2022 NL East race finished level, the Atlanta Braves and the New York Mets separated by nothing at all, with five lead changes.
6. The 2023 AL West race finished level, the Houston Astros and the Texas Rangers separated by nothing at all, with five lead changes.
7. The Detroit Tigers won the 1972 AL East race by half a game over the Boston Red Sox, with 22 lead changes, taking first place for good on October 2, 1972.
8. The Oakland Athletics won the 2000 AL West race by half a game over the Seattle Mariners, with 22 lead changes, taking first place for good on September 29, 2000.
9. The Detroit Tigers won the 1908 AL race by half a game over the Cleveland Naps, with 22 lead changes, taking first place for good on September 27, 1908.
10. The Cincinnati Reds won the 1994 NL Central race by half a game over the Houston Astros, with ten lead changes, taking first place for good on July 29, 1994.

Most lead changes

1. The lead in the 1996 NL Central race changed hands 32 times, and the St. Louis Cardinals won it by 6 games over the Houston Astros.
2. The lead in the 1984 AL West race changed hands 31 times, and the Kansas City Royals won it by 3 games over the California Angels.
3. The lead in the 1980 NL East race changed hands 30 times, and the Philadelphia Phillies won it by 1 game over the Montreal Expos.
4. The lead in the 1974 AL East race changed hands 29 times, and the Baltimore Orioles won it by 2 games over the New York Yankees.
5. The lead in the 1967 AL race changed hands 28 times, and the Boston Red Sox won it by 1 game over the Detroit Tigers.
6. The lead in the 1911 NL race changed hands 28 times, and the New York Giants won it by 7.5 games over the Chicago Cubs.
7. The lead in the 1964 AL race changed hands 27 times, and the New York Yankees won it by 1 game over the Chicago White Sox.
8. The lead in the 1965 NL race changed hands 27 times, and the Los Angeles Dodgers won it by 2 games over the San Francisco Giants.
9. The lead in the 1969 NL West race changed hands 27 times, and the Atlanta Braves won it by 3 games over the San Francisco Giants.
10. The lead in the 1920 NL race changed hands 27 times, and the Brooklyn Robins won it by 7 games over the New York Giants.

Most days within one game

1. The top two in the 1983 NL East race ended 122 of its 174 playing days within one game of each other, and the Philadelphia Phillies won it by 6 games over the Pittsburgh Pirates.
2. The top two in the 1972 AL East race ended 120 of its 164 playing days within one game of each other, and the Detroit Tigers won it by half a game over the Boston Red Sox.
3. The top two in the 1964 AL race ended 120 of its 168 playing days within one game of each other, and the New York Yankees won it by 1 game over the Chicago White Sox.
4. The top two in the 1996 NL Central race ended 120 of its 176 playing days within one game of each other, and the St. Louis Cardinals won it by 6 games over the Houston Astros.
5. The top two in the 1924 AL race ended 112 of its 161 playing days within one game of each other, and the Washington Senators won it by 2 games over the New York Yankees.
6. The top two in the 2006 NL West race ended 110 of its 177 playing days within one game of each other, and the San Diego Padres and the Los Angeles Dodgers finished level.
7. The top two in the 2007 NL West race ended 110 of its 177 playing days within one game of each other, and the Arizona Diamondbacks won it by half a game over the Colorado Rockies.
8. The top two in the 2003 NL Central race ended 108 of its 172 playing days within one game of each other, and the Chicago Cubs won it by 1 game over the Houston Astros.
9. The top two in the 2008 AL Central race ended 104 of its 181 playing days within one game of each other, and the Chicago White Sox won it by 1 game over the Minnesota Twins.
10. The top two in the 1982 AL West race ended 103 of its 177 playing days within one game of each other, and the California Angels won it by 3 games over the Kansas City Royals.

How these lists are ranked

Everything on this page comes from the same season files the charts draw, with standings read as each day ended. All 428 charted MLB races from 125 finished seasons enter: every pennant and division race from 1901 to 2025. Wild card races are not ranked; their story is the playoff cutoff, not first place. The 2026 season joins these lists when it ends.

Tightest finishes ranks races by the final gap between first and second place, in games. Ties are broken by how late the winner took first place for good, then by lead changes, then oldest first. Two teams the standings cannot separate are shown as level, with no winner named; where the league settled such a race another way, the linked race page tells that story.

Most lead changes counts a change only when a new team passes the leader outright. A day spent tied on top stays with the team already leading, so a tie can never inflate the count.

Most days within one game counts the days on which this race's teams played and the top two ended the day within one game of each other. Days a league stood idle (a strike, a pause) are not counted: a frozen gap says nothing about a race.

Only finished seasons are ranked. Seasons shortened by strikes or other stoppages count as played; every irregularity in the record is listed in the data notes.