| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2024 | 4,138 | 2,010 | 2,128 | .486 | -118 | 5 | 2 | 1 | 7 | 603 | 2 | 18,770 | 141,205 | 35,933 | 4,361 | .254 | 19,125 | 4.27 |
2 | Atlanta Braves | 1876 | 2024 | 22,080 | 11,043 | 10,883 | .504 | 160 | 23 | 18 | 4 | 29 | 2111 | 54 | 98,766 | 756,080 | 196,498 | 14,821 | .260 | 97,304 | 3.67 |
| Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston, Boston Doves, Boston Nationals and Boston Reds |
3 | Baltimore Orioles | 1901 | 2024 | 19,178 | 9,046 | 10,022 | .474 | -976 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,780 | 651,451 | 168,193 | 14,185 | .258 | 88,211 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2024 | 19,167 | 9,889 | 9,195 | .518 | 694 | 10 | 14 | 9 | 25 | 1928 | 39 | 89,524 | 655,966 | 175,126 | 14,385 | .267 | 85,913 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2024 | 22,120 | 11,261 | 10,698 | .513 | 563 | 8 | 17 | 3 | 21 | 2232 | 46 | 101,834 | 757,033 | 198,364 | 15,042 | .262 | 98,361 | 3.70 |
| Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2024 | 19,174 | 9,558 | 9,513 | .501 | 45 | 6 | 6 | 3 | 11 | 1885 | 34 | 83,488 | 649,388 | 168,827 | 12,134 | .260 | 83,357 | 3.79 |
7 | Cincinnati Reds | 1882 | 2024 | 21,704 | 10,872 | 10,693 | .504 | 179 | 10 | 10 | 5 | 16 | 2146 | 37 | 97,436 | 739,693 | 192,872 | 14,126 | .261 | 96,683 | 3.77 |
| Also played as Cincinnati Redlegs and Cincinnati |
8 | Cleveland Guardians | 1901 | 2024 | 19,178 | 9,779 | 9,308 | .512 | 471 | 11 | 6 | 2 | 16 | 1992 | 35 | 86,763 | 653,902 | 173,272 | 13,708 | .265 | 84,565 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
9 | Colorado Rockies | 1993 | 2024 | 4,885 | 2,267 | 2,618 | .464 | -351 | 0 | 1 | 0 | 5 | 659 | 2 | 24,333 | 167,925 | 45,580 | 5,529 | .271 | 25,898 | 5.01 |
10 | Detroit Tigers | 1901 | 2024 | 19,201 | 9,605 | 9,503 | .503 | 102 | 7 | 11 | 4 | 16 | 1793 | 24 | 88,187 | 654,898 | 173,158 | 14,379 | .264 | 88,001 | 4.00 |
11 | Houston Astros | 1962 | 2024 | 9,845 | 4,929 | 4,911 | .501 | 18 | 13 | 5 | 2 | 17 | 985 | 10 | 41,940 | 334,100 | 85,149 | 8,220 | .255 | 41,353 | 3.80 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2024 | 8,699 | 4,139 | 4,558 | .476 | -419 | 8 | 4 | 2 | 9 | 998 | 4 | 38,070 | 297,664 | 78,255 | 6,831 | .263 | 40,272 | 4.27 |
13 | Los Angeles Angels | 1961 | 2024 | 10,004 | 4,968 | 5,033 | .497 | -65 | 9 | 1 | 1 | 10 | 1211 | 12 | 43,363 | 339,601 | 87,067 | 9,012 | .256 | 43,889 | 4.00 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2024 | 21,506 | 11,352 | 10,015 | .531 | 1337 | 21 | 25 | 7 | 37 | 1956 | 53 | 96,964 | 732,803 | 191,493 | 13,856 | .261 | 90,897 | 3.52 |
| Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Grooms, Brooklyn and Brooklyn Bridegrooms |
15 | Miami Marlins | 1993 | 2024 | 4,878 | 2,247 | 2,631 | .461 | -384 | 0 | 2 | 2 | 4 | 734 | 5 | 20,548 | 165,773 | 42,271 | 4,435 | .255 | 22,559 | 4.29 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2024 | 8,706 | 4,232 | 4,470 | .486 | -238 | 6 | 1 | 0 | 9 | 1031 | 7 | 38,665 | 295,612 | 75,769 | 8,522 | .256 | 39,591 | 4.15 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2024 | 19,187 | 9,190 | 9,888 | .482 | -698 | 13 | 6 | 3 | 18 | 1810 | 29 | 84,352 | 654,607 | 171,752 | 11,818 | .262 | 87,610 | 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 | 9,836 | 4,740 | 5,088 | .482 | -348 | 6 | 5 | 2 | 10 | 1234 | 16 | 40,477 | 332,787 | 83,173 | 8,347 | .250 | 41,372 | 3.80 |
19 | New York Yankees | 1903 | 2024 | 18,880 | 10,702 | 8,090 | .569 | 2612 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,679 | 643,559 | 170,934 | 17,038 | .266 | 78,744 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2024 | 19,141 | 9,271 | 9,783 | .487 | -512 | 17 | 15 | 9 | 29 | 2096 | 41 | 84,533 | 648,797 | 167,089 | 13,914 | .258 | 87,467 | 4.00 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2024 | 21,514 | 10,130 | 11,269 | .473 | -1139 | 12 | 8 | 2 | 16 | 2179 | 37 | 95,459 | 736,135 | 191,701 | 13,978 | .260 | 101,294 | 3.99 |
| Also played as Philadelphia Phils and Philadelphia |
22 | Pittsburgh Pirates | 1882 | 2024 | 21,664 | 10,777 | 10,747 | .501 | 30 | 9 | 9 | 5 | 17 | 2131 | 40 | 96,468 | 742,205 | 195,550 | 12,082 | .263 | 96,599 | 3.76 |
| Also played as Pittsburgh and Allegheny City |
23 | San Diego Padres | 1969 | 2024 | 8,714 | 4,048 | 4,664 | .465 | -616 | 5 | 2 | 0 | 7 | 1147 | 13 | 35,229 | 294,550 | 73,368 | 7,058 | .249 | 38,192 | 3.97 |
24 | San Francisco Giants | 1883 | 2024 | 21,589 | 11,474 | 9,952 | .536 | 1522 | 9 | 23 | 8 | 27 | 1934 | 57 | 99,874 | 736,911 | 193,989 | 15,386 | .263 | 92,444 | 3.58 |
| Also played as New York Giants and New York |
25 | Seattle Mariners | 1977 | 2024 | 7,416 | 3,529 | 3,885 | .476 | -356 | 3 | 0 | 0 | 5 | 998 | 7 | 32,944 | 253,138 | 65,215 | 7,508 | .258 | 34,661 | 4.31 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2024 | 21,704 | 11,215 | 10,337 | .520 | 878 | 15 | 23 | 11 | 32 | 2214 | 50 | 99,541 | 744,004 | 197,706 | 12,972 | .266 | 95,574 | 3.69 |
| Also played as St. Louis and St. Louis Browns |
27 | Tampa Bay Rays | 1998 | 2024 | 4,136 | 2,024 | 2,112 | .489 | -88 | 4 | 2 | 0 | 9 | 605 | 2 | 18,496 | 140,760 | 35,852 | 4,329 | .255 | 18,941 | 4.24 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2024 | 9,992 | 4,754 | 5,232 | .476 | -478 | 7 | 3 | 1 | 9 | 1249 | 10 | 45,055 | 341,234 | 88,161 | 10,001 | .258 | 47,076 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2024 | 7,418 | 3,700 | 3,715 | .499 | -15 | 6 | 2 | 2 | 10 | 921 | 10 | 34,368 | 254,258 | 66,208 | 8,083 | .260 | 33,936 | 4.22 |
30 | Washington Nationals | 1969 | 2024 | 8,702 | 4,206 | 4,492 | .484 | -286 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,458 | 294,426 | 74,766 | 7,444 | .254 | 37,796 | 3.94 |
| Also played as Montreal Expos |
| Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises