| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2024 | 4,139 | 2,011 | 2,128 | .486 | -117 | 5 | 2 | 1 | 7 | 603 | 2 | 18,773 | 141,237 | 35,939 | 4,362 | .254 | 19,127 | 4.27 |
2 | Atlanta Braves | 1876 | 2024 | 22,081 | 11,044 | 10,883 | .504 | 161 | 23 | 18 | 4 | 29 | 2111 | 54 | 98,770 | 756,116 | 196,507 | 14,821 | .260 | 97,307 | 3.67 |
| Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston, Boston Doves, Boston Nationals and Boston Reds |
3 | Baltimore Orioles | 1901 | 2024 | 19,179 | 9,046 | 10,023 | .474 | -977 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,786 | 651,487 | 168,202 | 14,188 | .258 | 88,218 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2024 | 19,168 | 9,890 | 9,195 | .518 | 695 | 10 | 14 | 9 | 25 | 1928 | 39 | 89,529 | 656,000 | 175,135 | 14,385 | .267 | 85,917 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2024 | 22,121 | 11,261 | 10,699 | .513 | 562 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,838 | 757,067 | 198,371 | 15,043 | .262 | 98,366 | 3.70 |
| Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2024 | 19,175 | 9,559 | 9,513 | .501 | 46 | 6 | 6 | 3 | 11 | 1885 | 34 | 83,492 | 649,421 | 168,839 | 12,134 | .260 | 83,359 | 3.79 |
7 | Cincinnati Reds | 1882 | 2024 | 21,705 | 10,872 | 10,694 | .504 | 178 | 10 | 10 | 5 | 16 | 2146 | 37 | 97,439 | 739,726 | 192,878 | 14,126 | .261 | 96,687 | 3.77 |
| Also played as Cincinnati Redlegs and Cincinnati |
8 | Cleveland Guardians | 1901 | 2024 | 19,179 | 9,779 | 9,309 | .512 | 470 | 11 | 6 | 2 | 16 | 1992 | 35 | 86,766 | 653,936 | 173,282 | 13,708 | .265 | 84,569 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
9 | Colorado Rockies | 1993 | 2024 | 4,886 | 2,267 | 2,619 | .464 | -352 | 0 | 1 | 0 | 5 | 659 | 2 | 24,335 | 167,956 | 45,587 | 5,529 | .271 | 25,906 | 5.01 |
10 | Detroit Tigers | 1901 | 2024 | 19,202 | 9,606 | 9,503 | .503 | 103 | 7 | 11 | 4 | 16 | 1793 | 24 | 88,191 | 654,930 | 173,168 | 14,381 | .264 | 88,002 | 4.00 |
11 | Houston Astros | 1962 | 2024 | 9,846 | 4,930 | 4,911 | .501 | 19 | 13 | 5 | 2 | 17 | 985 | 10 | 41,948 | 334,133 | 85,157 | 8,223 | .255 | 41,355 | 3.80 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2024 | 8,700 | 4,139 | 4,559 | .476 | -420 | 8 | 4 | 2 | 9 | 999 | 4 | 38,071 | 297,696 | 78,260 | 6,831 | .263 | 40,276 | 4.27 |
13 | Los Angeles Angels | 1961 | 2024 | 10,005 | 4,968 | 5,034 | .497 | -66 | 9 | 1 | 1 | 10 | 1212 | 12 | 43,368 | 339,634 | 87,073 | 9,014 | .256 | 43,900 | 4.00 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2024 | 21,507 | 11,352 | 10,016 | .531 | 1336 | 21 | 25 | 7 | 37 | 1956 | 53 | 96,965 | 732,836 | 191,499 | 13,857 | .261 | 90,900 | 3.52 |
| Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Grooms, Brooklyn and Brooklyn Bridegrooms |
15 | Miami Marlins | 1993 | 2024 | 4,879 | 2,247 | 2,632 | .461 | -385 | 0 | 2 | 2 | 4 | 735 | 5 | 20,557 | 165,811 | 42,283 | 4,436 | .255 | 22,571 | 4.29 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2024 | 8,707 | 4,232 | 4,471 | .486 | -239 | 6 | 1 | 0 | 9 | 1031 | 7 | 38,670 | 295,649 | 75,780 | 8,523 | .256 | 39,606 | 4.15 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2024 | 19,188 | 9,191 | 9,888 | .482 | -697 | 13 | 6 | 3 | 18 | 1810 | 29 | 84,363 | 654,647 | 171,769 | 11,818 | .262 | 87,615 | 3.99 |
| 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 | 9,837 | 4,741 | 5,088 | .482 | -347 | 6 | 5 | 2 | 10 | 1234 | 16 | 40,481 | 332,825 | 83,181 | 8,349 | .250 | 41,374 | 3.80 |
19 | New York Yankees | 1903 | 2024 | 18,881 | 10,703 | 8,090 | .570 | 2613 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,694 | 643,602 | 170,952 | 17,041 | .266 | 78,749 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2024 | 19,142 | 9,272 | 9,783 | .487 | -511 | 17 | 15 | 9 | 29 | 2096 | 41 | 84,540 | 648,834 | 167,099 | 13,917 | .258 | 87,473 | 4.00 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2024 | 21,515 | 10,131 | 11,269 | .473 | -1138 | 12 | 8 | 2 | 16 | 2179 | 37 | 95,467 | 736,171 | 191,713 | 13,981 | .260 | 101,300 | 3.99 |
| Also played as Philadelphia Phils and Philadelphia |
22 | Pittsburgh Pirates | 1882 | 2024 | 21,665 | 10,777 | 10,748 | .501 | 29 | 9 | 9 | 5 | 17 | 2131 | 40 | 96,470 | 742,236 | 195,555 | 12,082 | .263 | 96,602 | 3.76 |
| Also played as Pittsburgh and Allegheny City |
23 | San Diego Padres | 1969 | 2024 | 8,715 | 4,048 | 4,665 | .465 | -617 | 5 | 2 | 0 | 7 | 1147 | 13 | 35,235 | 294,585 | 73,377 | 7,060 | .249 | 38,200 | 3.97 |
24 | San Francisco Giants | 1883 | 2024 | 21,590 | 11,475 | 9,952 | .536 | 1523 | 9 | 23 | 8 | 27 | 1934 | 57 | 99,877 | 736,940 | 193,997 | 15,388 | .263 | 92,446 | 3.58 |
| Also played as New York Giants and New York |
25 | Seattle Mariners | 1977 | 2024 | 7,417 | 3,529 | 3,886 | .476 | -357 | 3 | 0 | 0 | 5 | 999 | 7 | 32,946 | 253,169 | 65,220 | 7,509 | .258 | 34,664 | 4.31 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2024 | 21,705 | 11,215 | 10,338 | .520 | 877 | 15 | 23 | 11 | 32 | 2214 | 50 | 99,543 | 744,039 | 197,710 | 12,972 | .266 | 95,578 | 3.69 |
| Also played as St. Louis and St. Louis Browns |
27 | Tampa Bay Rays | 1998 | 2024 | 4,137 | 2,024 | 2,113 | .489 | -89 | 4 | 2 | 0 | 9 | 606 | 2 | 18,498 | 140,794 | 35,859 | 4,330 | .255 | 18,945 | 4.24 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2024 | 9,993 | 4,755 | 5,232 | .476 | -477 | 7 | 3 | 1 | 9 | 1249 | 10 | 45,059 | 341,262 | 88,167 | 10,003 | .258 | 47,079 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2024 | 7,419 | 3,701 | 3,715 | .499 | -14 | 6 | 2 | 2 | 10 | 921 | 10 | 34,371 | 254,287 | 66,216 | 8,084 | .260 | 33,937 | 4.22 |
30 | Washington Nationals | 1969 | 2024 | 8,703 | 4,207 | 4,492 | .484 | -285 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,470 | 294,468 | 74,780 | 7,446 | .254 | 37,805 | 3.94 |
| Also played as Montreal Expos |
| Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises