| 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 |
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 |
| 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 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2024 | 19,182 | 9,896 | 9,203 | .518 | 693 | 10 | 14 | 9 | 25 | 1933 | 39 | 89,573 | 656,467 | 175,243 | 14,392 | .267 | 85,963 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2024 | 22,137 | 11,269 | 10,707 | .513 | 562 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,896 | 757,592 | 198,487 | 15,060 | .262 | 98,423 | 3.70 |
| 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 |
7 | Cincinnati Reds | 1882 | 2024 | 21,720 | 10,875 | 10,706 | .504 | 169 | 10 | 10 | 5 | 16 | 2149 | 37 | 97,483 | 740,215 | 192,984 | 14,138 | .261 | 96,755 | 3.77 |
| 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 |
| 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 |
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 |
11 | Houston Astros | 1962 | 2024 | 9,861 | 4,939 | 4,917 | .501 | 22 | 13 | 5 | 2 | 17 | 987 | 10 | 42,018 | 334,641 | 85,287 | 8,240 | .255 | 41,420 | 3.80 |
| 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 |
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 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2024 | 21,522 | 11,363 | 10,020 | .531 | 1343 | 21 | 25 | 7 | 37 | 1958 | 53 | 97,044 | 733,336 | 191,618 | 13,881 | .261 | 90,936 | 3.52 |
| 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 |
| 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 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2024 | 19,203 | 9,201 | 9,893 | .482 | -692 | 13 | 6 | 3 | 18 | 1811 | 29 | 84,435 | 655,147 | 171,887 | 11,833 | .262 | 87,676 | 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 | 9,852 | 4,746 | 5,098 | .482 | -352 | 6 | 5 | 2 | 10 | 1236 | 16 | 40,535 | 333,334 | 83,291 | 8,361 | .250 | 41,444 | 3.80 |
19 | New York Yankees | 1903 | 2024 | 18,896 | 10,713 | 8,095 | .570 | 2618 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,757 | 644,097 | 171,079 | 17,063 | .266 | 78,793 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2024 | 19,158 | 9,279 | 9,792 | .487 | -513 | 17 | 15 | 9 | 29 | 2099 | 41 | 84,626 | 649,369 | 167,232 | 13,940 | .258 | 87,559 | 4.00 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2024 | 21,530 | 10,143 | 11,272 | .474 | -1129 | 12 | 8 | 2 | 16 | 2180 | 37 | 95,564 | 736,687 | 191,851 | 13,995 | .260 | 101,350 | 3.99 |
| Also played as Philadelphia Phils and Philadelphia |
22 | Pittsburgh Pirates | 1882 | 2024 | 21,680 | 10,782 | 10,758 | .501 | 24 | 9 | 9 | 5 | 17 | 2133 | 40 | 96,518 | 742,720 | 195,650 | 12,099 | .263 | 96,678 | 3.76 |
| 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 |
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 |
| 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 |
| 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 |
| Also played as St. Louis and St. Louis Browns |
27 | Tampa Bay Rays | 1998 | 2024 | 4,152 | 2,033 | 2,119 | .490 | -86 | 4 | 2 | 0 | 9 | 609 | 2 | 18,562 | 141,285 | 35,976 | 4,342 | .255 | 19,007 | 4.24 |
| 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 |
| 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 |
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