| | Anaheim Angels, see Los Angeles Angels |
| 1 | Arizona Diamondbacks | 1998 | 2024 | 4,154 | 2,019 | 2,135 | .486 | -116 | 5 | 2 | 1 | 7 | 606 | 2 | 18,834 | 141,736 | 36,057 | 4,376 | .254 | 19,202 | 4.27 |
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| 2 | Atlanta Braves | 1876 | 2024 | 22,095 | 11,051 | 10,890 | .504 | 161 | 23 | 18 | 4 | 29 | 2113 | 54 | 98,814 | 756,570 | 196,602 | 14,835 | .260 | 97,350 | 3.67 |
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| | Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston, Boston Doves, Boston Nationals and Boston Reds |
| 3 | Baltimore Orioles | 1901 | 2024 | 19,193 | 9,056 | 10,027 | .475 | -971 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,838 | 651,952 | 168,304 | 14,208 | .258 | 88,255 | 4.05 |
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| | Also played as St. Louis Browns and Milwaukee Brewers |
| | Boston Braves, see Atlanta Braves |
| 4 | Boston Red Sox | 1901 | 2024 | 19,183 | 9,896 | 9,204 | .518 | 692 | 10 | 14 | 9 | 25 | 1933 | 39 | 89,578 | 656,504 | 175,252 | 14,394 | .267 | 85,970 | 3.92 |
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| | Also played as Boston Americans |
| | Brooklyn Dodgers, see Los Angeles Dodgers |
| | California Angels, see Los Angeles Angels |
| 5 | Chicago Cubs | 1876 | 2024 | 22,138 | 11,269 | 10,708 | .513 | 561 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,900 | 757,626 | 198,494 | 15,061 | .262 | 98,428 | 3.70 |
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| | Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
| 6 | Chicago White Sox | 1901 | 2024 | 19,191 | 9,567 | 9,521 | .501 | 46 | 6 | 6 | 3 | 11 | 1888 | 34 | 83,543 | 649,944 | 168,961 | 12,148 | .260 | 83,420 | 3.79 |
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| 7 | Cincinnati Reds | 1882 | 2024 | 21,721 | 10,876 | 10,706 | .504 | 170 | 10 | 10 | 5 | 16 | 2149 | 37 | 97,490 | 740,252 | 192,995 | 14,139 | .261 | 96,757 | 3.77 |
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| | Also played as Cincinnati Redlegs and Cincinnati |
| 8 | Cleveland Guardians | 1901 | 2024 | 19,195 | 9,787 | 9,317 | .512 | 470 | 11 | 6 | 2 | 16 | 1993 | 35 | 86,832 | 654,453 | 173,390 | 13,728 | .265 | 84,633 | 3.83 |
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| | Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
| 9 | Colorado Rockies | 1993 | 2024 | 4,901 | 2,275 | 2,626 | .464 | -351 | 0 | 1 | 0 | 5 | 660 | 2 | 24,401 | 168,472 | 45,717 | 5,542 | .271 | 25,957 | 5.00 |
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| 10 | Detroit Tigers | 1901 | 2024 | 19,217 | 9,611 | 9,513 | .503 | 98 | 7 | 11 | 4 | 16 | 1794 | 24 | 88,248 | 655,426 | 173,282 | 14,395 | .264 | 88,061 | 4.00 |
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| 11 | Houston Astros | 1962 | 2024 | 9,862 | 4,940 | 4,917 | .501 | 23 | 13 | 5 | 2 | 17 | 987 | 10 | 42,026 | 334,671 | 85,295 | 8,241 | .255 | 41,421 | 3.80 |
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| | Also played as Houston Colt .45s |
| | Kansas City Athletics, see Oakland Athletics |
| 12 | Kansas City Royals | 1969 | 2024 | 8,716 | 4,148 | 4,566 | .476 | -418 | 8 | 4 | 2 | 9 | 1000 | 4 | 38,140 | 298,233 | 78,394 | 6,843 | .263 | 40,343 | 4.27 |
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| 13 | Los Angeles Angels | 1961 | 2024 | 10,021 | 4,974 | 5,044 | .497 | -70 | 9 | 1 | 1 | 10 | 1218 | 12 | 43,437 | 340,172 | 87,213 | 9,032 | .256 | 43,971 | 4.00 |
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| | Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
| 14 | Los Angeles Dodgers | 1884 | 2024 | 21,523 | 11,363 | 10,021 | .531 | 1342 | 21 | 25 | 7 | 37 | 1958 | 53 | 97,046 | 733,367 | 191,622 | 13,881 | .261 | 90,943 | 3.52 |
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| | Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Grooms, Brooklyn and Brooklyn Bridegrooms |
| 15 | Miami Marlins | 1993 | 2024 | 4,895 | 2,254 | 2,641 | .460 | -387 | 0 | 2 | 2 | 4 | 738 | 5 | 20,618 | 166,345 | 42,403 | 4,450 | .255 | 22,660 | 4.29 |
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| | Also played as Florida Marlins |
| | Milwaukee Braves, see Atlanta Braves |
| 16 | Milwaukee Brewers | 1969 | 2024 | 8,723 | 4,241 | 4,478 | .486 | -237 | 6 | 1 | 0 | 9 | 1036 | 7 | 38,751 | 296,187 | 75,919 | 8,543 | .256 | 39,659 | 4.15 |
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| | Also played as Seattle Pilots |
| | Milwaukee Brewers (1901), see Baltimore Orioles |
| 17 | Minnesota Twins | 1901 | 2024 | 19,204 | 9,201 | 9,894 | .482 | -693 | 13 | 6 | 3 | 18 | 1811 | 29 | 84,435 | 655,179 | 171,890 | 11,833 | .262 | 87,681 | 3.99 |
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| | Also played as Washington Senators and Washington Nationals |
| | Montreal Expos, see Washington Nationals |
| | New York Giants, see San Francisco Giants |
| 18 | New York Mets | 1962 | 2024 | 9,853 | 4,747 | 5,098 | .482 | -351 | 6 | 5 | 2 | 10 | 1236 | 16 | 40,541 | 333,375 | 83,299 | 8,362 | .250 | 41,449 | 3.80 |
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| 19 | New York Yankees | 1903 | 2024 | 18,897 | 10,714 | 8,095 | .570 | 2619 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,762 | 644,132 | 171,088 | 17,064 | .266 | 78,793 | 3.65 |
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| | Also played as New York Highlanders |
| 20 | Oakland Athletics | 1901 | 2024 | 19,159 | 9,279 | 9,793 | .487 | -514 | 17 | 15 | 9 | 29 | 2099 | 41 | 84,627 | 649,399 | 167,236 | 13,940 | .258 | 87,567 | 4.00 |
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| | Also played as Kansas City Athletics and Philadelphia Athletics |
| | Philadelphia Athletics, see Oakland Athletics |
| 21 | Philadelphia Phillies | 1883 | 2024 | 21,531 | 10,143 | 11,273 | .474 | -1130 | 12 | 8 | 2 | 16 | 2180 | 37 | 95,569 | 736,727 | 191,859 | 13,995 | .260 | 101,356 | 3.99 |
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| | Also played as Philadelphia Phils and Philadelphia |
| 22 | Pittsburgh Pirates | 1882 | 2024 | 21,681 | 10,783 | 10,758 | .501 | 25 | 9 | 9 | 5 | 17 | 2133 | 40 | 96,523 | 742,753 | 195,657 | 12,101 | .263 | 96,682 | 3.76 |
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| | Also played as Pittsburgh and Allegheny City |
| 23 | San Diego Padres | 1969 | 2024 | 8,730 | 4,056 | 4,672 | .465 | -616 | 5 | 2 | 0 | 7 | 1149 | 13 | 35,297 | 295,096 | 73,506 | 7,076 | .249 | 38,255 | 3.97 |
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| 24 | San Francisco Giants | 1883 | 2024 | 21,606 | 11,481 | 9,962 | .535 | 1519 | 9 | 23 | 8 | 27 | 1937 | 57 | 99,930 | 737,472 | 194,117 | 15,400 | .263 | 92,528 | 3.58 |
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| | Also played as New York Giants and New York |
| 25 | Seattle Mariners | 1977 | 2024 | 7,433 | 3,538 | 3,893 | .476 | -355 | 3 | 0 | 0 | 5 | 1000 | 7 | 33,010 | 253,692 | 65,346 | 7,530 | .258 | 34,728 | 4.30 |
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| | Seattle Pilots, see Milwaukee Brewers |
| | St. Louis Browns, see Baltimore Orioles |
| 26 | St. Louis Cardinals | 1882 | 2024 | 21,720 | 11,220 | 10,348 | .520 | 872 | 15 | 23 | 11 | 32 | 2215 | 50 | 99,598 | 744,558 | 197,834 | 12,986 | .266 | 95,660 | 3.69 |
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| | Also played as St. Louis and St. Louis Browns |
| 27 | Tampa Bay Rays | 1998 | 2024 | 4,153 | 2,034 | 2,119 | .490 | -85 | 4 | 2 | 0 | 9 | 609 | 2 | 18,569 | 141,319 | 35,984 | 4,343 | .255 | 19,012 | 4.24 |
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| | Also played as Tampa Bay Devil Rays |
| 28 | Texas Rangers | 1961 | 2024 | 10,009 | 4,763 | 5,240 | .476 | -477 | 7 | 3 | 1 | 9 | 1249 | 10 | 45,140 | 341,827 | 88,313 | 10,017 | .258 | 47,153 | 4.29 |
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| | Also played as Washington Senators |
| 29 | Toronto Blue Jays | 1977 | 2024 | 7,432 | 3,706 | 3,723 | .499 | -17 | 6 | 2 | 2 | 10 | 921 | 10 | 34,420 | 254,728 | 66,320 | 8,095 | .260 | 34,009 | 4.22 |
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| 30 | Washington Nationals | 1969 | 2024 | 8,718 | 4,214 | 4,500 | .484 | -286 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,526 | 294,954 | 74,877 | 7,455 | .254 | 37,861 | 3.94 |
|---|
| | Also played as Montreal Expos |
| | Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| | Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises