| | Anaheim Angels, see Los Angeles Angels |
| 1 | Arizona Diamondbacks | 1998 | 2024 | 4,149 | 2,016 | 2,133 | .486 | -117 | 5 | 2 | 1 | 7 | 606 | 2 | 18,811 | 141,569 | 36,019 | 4,371 | .254 | 19,183 | 4.27 |
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| 2 | Atlanta Braves | 1876 | 2024 | 22,090 | 11,048 | 10,888 | .504 | 160 | 23 | 18 | 4 | 29 | 2112 | 54 | 98,797 | 756,407 | 196,562 | 14,831 | .260 | 97,338 | 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 | 19,189 | 9,054 | 10,025 | .475 | -971 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,826 | 651,815 | 168,273 | 14,201 | .258 | 88,237 | 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 | 19,177 | 9,893 | 9,201 | .518 | 692 | 10 | 14 | 9 | 25 | 1933 | 39 | 89,555 | 656,300 | 175,207 | 14,387 | .267 | 85,946 | 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 | 22,132 | 11,267 | 10,704 | .513 | 563 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,875 | 757,421 | 198,447 | 15,055 | .262 | 98,399 | 3.70 |
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| | Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
| 6 | Chicago White Sox | 1901 | 2024 | 19,186 | 9,564 | 9,519 | .501 | 45 | 6 | 6 | 3 | 11 | 1888 | 34 | 83,531 | 649,793 | 168,924 | 12,145 | .260 | 83,406 | 3.79 |
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| 7 | Cincinnati Reds | 1882 | 2024 | 21,715 | 10,874 | 10,702 | .504 | 172 | 10 | 10 | 5 | 16 | 2147 | 37 | 97,465 | 740,043 | 192,939 | 14,134 | .261 | 96,734 | 3.77 |
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| | Also played as Cincinnati Redlegs and Cincinnati |
| 8 | Cleveland Guardians | 1901 | 2024 | 19,190 | 9,784 | 9,315 | .512 | 469 | 11 | 6 | 2 | 16 | 1993 | 35 | 86,810 | 654,295 | 173,359 | 13,724 | .265 | 84,622 | 3.83 |
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| | Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
| 9 | Colorado Rockies | 1993 | 2024 | 4,896 | 2,270 | 2,626 | .464 | -356 | 0 | 1 | 0 | 5 | 660 | 2 | 24,371 | 168,296 | 45,665 | 5,536 | .271 | 25,946 | 5.00 |
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| 10 | Detroit Tigers | 1901 | 2024 | 19,212 | 9,609 | 9,510 | .503 | 99 | 7 | 11 | 4 | 16 | 1794 | 24 | 88,231 | 655,259 | 173,246 | 14,390 | .264 | 88,042 | 4.00 |
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| 11 | Houston Astros | 1962 | 2024 | 9,856 | 4,935 | 4,916 | .501 | 19 | 13 | 5 | 2 | 17 | 987 | 10 | 41,993 | 334,470 | 85,237 | 8,236 | .255 | 41,406 | 3.80 |
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| | Also played as Houston Colt .45s |
| | Kansas City Athletics, see Oakland Athletics |
| 12 | Kansas City Royals | 1969 | 2024 | 8,711 | 4,146 | 4,563 | .476 | -417 | 8 | 4 | 2 | 9 | 1000 | 4 | 38,125 | 298,067 | 78,358 | 6,842 | .263 | 40,320 | 4.27 |
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| 13 | Los Angeles Angels | 1961 | 2024 | 10,016 | 4,972 | 5,041 | .497 | -69 | 9 | 1 | 1 | 10 | 1218 | 12 | 43,408 | 340,003 | 87,164 | 9,025 | .256 | 43,945 | 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 | 21,517 | 11,360 | 10,018 | .531 | 1342 | 21 | 25 | 7 | 37 | 1956 | 53 | 97,022 | 733,160 | 191,578 | 13,876 | .261 | 90,922 | 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 | 4,890 | 2,251 | 2,639 | .460 | -388 | 0 | 2 | 2 | 4 | 737 | 5 | 20,600 | 166,177 | 42,364 | 4,445 | .255 | 22,640 | 4.29 |
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| | Also played as Florida Marlins |
| | Milwaukee Braves, see Atlanta Braves |
| 16 | Milwaukee Brewers | 1969 | 2024 | 8,718 | 4,238 | 4,476 | .486 | -238 | 6 | 1 | 0 | 9 | 1034 | 7 | 38,723 | 296,017 | 75,870 | 8,535 | .256 | 39,639 | 4.15 |
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| | Also played as Seattle Pilots |
| | Milwaukee Brewers (1901), see Baltimore Orioles |
| 17 | Minnesota Twins | 1901 | 2024 | 19,199 | 9,200 | 9,890 | .482 | -690 | 13 | 6 | 3 | 18 | 1811 | 29 | 84,421 | 655,010 | 171,857 | 11,829 | .262 | 87,656 | 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 | 9,847 | 4,745 | 5,094 | .482 | -349 | 6 | 5 | 2 | 10 | 1236 | 16 | 40,521 | 333,167 | 83,258 | 8,358 | .250 | 41,418 | 3.80 |
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| 19 | New York Yankees | 1903 | 2024 | 18,892 | 10,710 | 8,094 | .570 | 2616 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,736 | 643,954 | 171,037 | 17,056 | .266 | 78,779 | 3.65 |
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| | Also played as New York Highlanders |
| 20 | Oakland Athletics | 1901 | 2024 | 19,153 | 9,278 | 9,788 | .487 | -510 | 17 | 15 | 9 | 29 | 2099 | 41 | 84,611 | 649,204 | 167,197 | 13,936 | .258 | 87,536 | 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 | 21,525 | 10,139 | 11,271 | .474 | -1132 | 12 | 8 | 2 | 16 | 2180 | 37 | 95,531 | 736,514 | 191,808 | 13,992 | .260 | 101,331 | 3.99 |
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| | Also played as Philadelphia Phils and Philadelphia |
| 22 | Pittsburgh Pirates | 1882 | 2024 | 21,675 | 10,780 | 10,755 | .501 | 25 | 9 | 9 | 5 | 17 | 2132 | 40 | 96,491 | 742,546 | 195,607 | 12,086 | .263 | 96,644 | 3.76 |
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| | Also played as Pittsburgh and Allegheny City |
| 23 | San Diego Padres | 1969 | 2024 | 8,725 | 4,055 | 4,668 | .465 | -613 | 5 | 2 | 0 | 7 | 1149 | 13 | 35,286 | 294,938 | 73,472 | 7,070 | .249 | 38,231 | 3.96 |
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| 24 | San Francisco Giants | 1883 | 2024 | 21,601 | 11,478 | 9,960 | .535 | 1518 | 9 | 23 | 8 | 27 | 1937 | 57 | 99,909 | 737,303 | 194,079 | 15,396 | .263 | 92,505 | 3.58 |
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| | Also played as New York Giants and New York |
| 25 | Seattle Mariners | 1977 | 2024 | 7,428 | 3,535 | 3,891 | .476 | -356 | 3 | 0 | 0 | 5 | 1000 | 7 | 32,989 | 253,535 | 65,308 | 7,521 | .258 | 34,708 | 4.30 |
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| | Seattle Pilots, see Milwaukee Brewers |
| | St. Louis Browns, see Baltimore Orioles |
| 26 | St. Louis Cardinals | 1882 | 2024 | 21,715 | 11,217 | 10,346 | .520 | 871 | 15 | 23 | 11 | 32 | 2215 | 50 | 99,572 | 744,373 | 197,780 | 12,982 | .266 | 95,634 | 3.69 |
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| | Also played as St. Louis and St. Louis Browns |
| 27 | Tampa Bay Rays | 1998 | 2024 | 4,147 | 2,030 | 2,117 | .490 | -87 | 4 | 2 | 0 | 9 | 609 | 2 | 18,536 | 141,109 | 35,935 | 4,336 | .255 | 18,984 | 4.24 |
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| | Also played as Tampa Bay Devil Rays |
| 28 | Texas Rangers | 1961 | 2024 | 10,004 | 4,762 | 5,236 | .476 | -474 | 7 | 3 | 1 | 9 | 1249 | 10 | 45,128 | 341,664 | 88,277 | 10,011 | .258 | 47,128 | 4.29 |
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| | Also played as Washington Senators |
| 29 | Toronto Blue Jays | 1977 | 2024 | 7,428 | 3,704 | 3,721 | .499 | -17 | 6 | 2 | 2 | 10 | 921 | 10 | 34,404 | 254,595 | 66,289 | 8,091 | .260 | 33,991 | 4.22 |
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| 30 | Washington Nationals | 1969 | 2024 | 8,713 | 4,213 | 4,496 | .484 | -283 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,516 | 294,800 | 74,851 | 7,452 | .254 | 37,845 | 3.94 |
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| | Also played as Montreal Expos |
| | Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| | Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises