| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2024 | 4,156 | 2,019 | 2,137 | .486 | -118 | 5 | 2 | 1 | 7 | 606 | 2 | 18,837 | 141,800 | 36,068 | 4,376 | .254 | 19,223 | 4.27 |
2 | Atlanta Braves | 1876 | 2024 | 22,096 | 11,051 | 10,891 | .504 | 160 | 23 | 18 | 4 | 29 | 2113 | 54 | 98,815 | 756,603 | 196,609 | 14,835 | .260 | 97,353 | 3.67 |
| Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston, Boston Doves, Boston Nationals and Boston Reds |
3 | Baltimore Orioles | 1901 | 2024 | 19,195 | 9,057 | 10,028 | .475 | -971 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,850 | 652,017 | 168,320 | 14,210 | .258 | 88,261 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2024 | 19,185 | 9,896 | 9,206 | .518 | 690 | 10 | 14 | 9 | 25 | 1933 | 39 | 89,586 | 656,573 | 175,270 | 14,396 | .267 | 85,987 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2024 | 22,140 | 11,270 | 10,709 | .513 | 561 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,904 | 757,685 | 198,503 | 15,062 | .262 | 98,437 | 3.70 |
| Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2024 | 19,193 | 9,567 | 9,523 | .501 | 44 | 6 | 6 | 3 | 11 | 1889 | 34 | 83,546 | 650,012 | 168,975 | 12,148 | .260 | 83,430 | 3.79 |
7 | Cincinnati Reds | 1882 | 2024 | 21,723 | 10,876 | 10,708 | .504 | 168 | 10 | 10 | 5 | 16 | 2149 | 37 | 97,493 | 740,314 | 193,006 | 14,141 | .261 | 96,768 | 3.77 |
| Also played as Cincinnati Redlegs and Cincinnati |
8 | Cleveland Guardians | 1901 | 2024 | 19,197 | 9,789 | 9,317 | .512 | 472 | 11 | 6 | 2 | 16 | 1993 | 35 | 86,846 | 654,519 | 173,413 | 13,731 | .265 | 84,639 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
9 | Colorado Rockies | 1993 | 2024 | 4,903 | 2,275 | 2,628 | .464 | -353 | 0 | 1 | 0 | 5 | 660 | 2 | 24,410 | 168,547 | 45,738 | 5,543 | .271 | 25,981 | 5.00 |
10 | Detroit Tigers | 1901 | 2024 | 19,219 | 9,613 | 9,513 | .503 | 100 | 7 | 11 | 4 | 16 | 1794 | 24 | 88,269 | 655,511 | 173,314 | 14,395 | .264 | 88,064 | 4.00 |
11 | Houston Astros | 1962 | 2024 | 9,864 | 4,941 | 4,918 | .501 | 23 | 13 | 5 | 2 | 17 | 987 | 10 | 42,033 | 334,737 | 85,313 | 8,244 | .255 | 41,429 | 3.80 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2024 | 8,718 | 4,150 | 4,566 | .476 | -416 | 8 | 4 | 2 | 9 | 1000 | 4 | 38,151 | 298,302 | 78,416 | 6,846 | .263 | 40,348 | 4.27 |
13 | Los Angeles Angels | 1961 | 2024 | 10,023 | 4,975 | 5,045 | .497 | -70 | 9 | 1 | 1 | 10 | 1218 | 12 | 43,448 | 340,258 | 87,232 | 9,036 | .256 | 43,977 | 4.00 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2024 | 21,525 | 11,365 | 10,021 | .531 | 1344 | 21 | 25 | 7 | 37 | 1958 | 53 | 97,057 | 733,429 | 191,637 | 13,884 | .261 | 90,946 | 3.52 |
| Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Grooms, Brooklyn and Brooklyn Bridegrooms |
15 | Miami Marlins | 1993 | 2024 | 4,897 | 2,256 | 2,641 | .461 | -385 | 0 | 2 | 2 | 4 | 738 | 5 | 20,636 | 166,419 | 42,429 | 4,453 | .255 | 22,669 | 4.29 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2024 | 8,725 | 4,242 | 4,479 | .486 | -237 | 6 | 1 | 0 | 9 | 1036 | 7 | 38,759 | 296,250 | 75,932 | 8,546 | .256 | 39,666 | 4.15 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2024 | 19,206 | 9,201 | 9,896 | .482 | -695 | 13 | 6 | 3 | 18 | 1811 | 29 | 84,441 | 655,242 | 171,904 | 11,834 | .262 | 87,695 | 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 | 9,855 | 4,747 | 5,100 | .482 | -353 | 6 | 5 | 2 | 10 | 1236 | 16 | 40,550 | 333,452 | 83,321 | 8,362 | .250 | 41,467 | 3.80 |
19 | New York Yankees | 1903 | 2024 | 18,899 | 10,716 | 8,095 | .570 | 2621 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,772 | 644,198 | 171,106 | 17,070 | .266 | 78,796 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2024 | 19,161 | 9,279 | 9,795 | .486 | -516 | 17 | 15 | 9 | 29 | 2100 | 41 | 84,632 | 649,466 | 167,252 | 13,942 | .258 | 87,578 | 4.00 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2024 | 21,533 | 10,145 | 11,273 | .474 | -1128 | 12 | 8 | 2 | 16 | 2180 | 37 | 95,577 | 736,790 | 191,871 | 13,997 | .260 | 101,361 | 3.98 |
| Also played as Philadelphia Phils and Philadelphia |
22 | Pittsburgh Pirates | 1882 | 2024 | 21,683 | 10,784 | 10,759 | .501 | 25 | 9 | 9 | 5 | 17 | 2133 | 40 | 96,532 | 742,826 | 195,676 | 12,103 | .263 | 96,686 | 3.76 |
| Also played as Pittsburgh and Allegheny City |
23 | San Diego Padres | 1969 | 2024 | 8,731 | 4,057 | 4,672 | .465 | -615 | 5 | 2 | 0 | 7 | 1149 | 13 | 35,300 | 295,134 | 73,519 | 7,076 | .249 | 38,256 | 3.97 |
24 | San Francisco Giants | 1883 | 2024 | 21,608 | 11,483 | 9,962 | .535 | 1521 | 9 | 23 | 8 | 27 | 1937 | 57 | 99,954 | 737,547 | 194,149 | 15,402 | .263 | 92,537 | 3.58 |
| Also played as New York Giants and New York |
25 | Seattle Mariners | 1977 | 2024 | 7,435 | 3,539 | 3,894 | .476 | -355 | 3 | 0 | 0 | 5 | 1000 | 7 | 33,016 | 253,760 | 65,362 | 7,531 | .258 | 34,740 | 4.30 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2024 | 21,722 | 11,222 | 10,348 | .520 | 874 | 15 | 23 | 11 | 32 | 2215 | 50 | 99,615 | 744,631 | 197,862 | 12,991 | .266 | 95,668 | 3.69 |
| Also played as St. Louis and St. Louis Browns |
27 | Tampa Bay Rays | 1998 | 2024 | 4,155 | 2,036 | 2,119 | .490 | -83 | 4 | 2 | 0 | 9 | 609 | 2 | 18,578 | 141,391 | 36,004 | 4,345 | .255 | 19,019 | 4.24 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2024 | 10,011 | 4,764 | 5,241 | .476 | -477 | 7 | 3 | 1 | 9 | 1250 | 10 | 45,146 | 341,898 | 88,324 | 10,020 | .258 | 47,164 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2024 | 7,434 | 3,706 | 3,725 | .499 | -19 | 6 | 2 | 2 | 10 | 921 | 10 | 34,427 | 254,795 | 66,334 | 8,096 | .260 | 34,018 | 4.22 |
30 | Washington Nationals | 1969 | 2024 | 8,720 | 4,214 | 4,502 | .483 | -288 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,531 | 295,022 | 74,892 | 7,455 | .254 | 37,869 | 3.94 |
| Also played as Montreal Expos |
| Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises