| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2022 | 3,861 | 1,874 | 1,987 | .485 | -113 | 5 | 1 | 1 | 6 | 558 | 2 | 17,479 | 131,922 | 33,633 | 4,081 | .255 | 17,856 | 4.26 |
2 | Atlanta Braves | 1876 | 2022 | 21,806 | 10,863 | 10,789 | .502 | 74 | 21 | 18 | 4 | 27 | 2068 | 53 | 97,239 | 746,646 | 193,946 | 14,355 | .260 | 96,188 | 3.67 |
| Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston Rustlers, Boston Doves, Boston Beaneaters and Boston Red Stockings |
3 | Baltimore Orioles | 1901 | 2022 | 18,904 | 8,880 | 9,914 | .472 | -1034 | 9 | 7 | 3 | 14 | 1927 | 34 | 81,465 | 642,184 | 165,868 | 13,869 | .258 | 87,066 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2022 | 18,890 | 9,760 | 9,047 | .519 | 713 | 10 | 14 | 9 | 25 | 1875 | 38 | 88,241 | 646,491 | 172,702 | 14,084 | .267 | 84,547 | 3.91 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2022 | 21,843 | 11,115 | 10,567 | .513 | 548 | 8 | 17 | 3 | 21 | 2187 | 45 | 100,531 | 747,716 | 196,066 | 14,730 | .262 | 97,174 | 3.69 |
| Also played as Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2022 | 18,896 | 9,446 | 9,347 | .503 | 99 | 6 | 6 | 3 | 11 | 1835 | 34 | 82,396 | 639,946 | 166,554 | 11,857 | .260 | 82,000 | 3.78 |
7 | Cincinnati Reds | 1882 | 2022 | 21,426 | 10,739 | 10,548 | .504 | 191 | 10 | 10 | 5 | 16 | 2089 | 36 | 96,188 | 730,347 | 190,624 | 13,812 | .261 | 95,327 | 3.76 |
| Also played as Cincinnati Redlegs and Cincinnati Red Stockings |
8 | Cleveland Guardians | 1901 | 2022 | 18,898 | 9,629 | 9,178 | .512 | 451 | 10 | 6 | 2 | 15 | 1953 | 35 | 85,575 | 644,326 | 170,852 | 13,485 | .265 | 83,442 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Bronchos and Cleveland Blues |
9 | Colorado Rockies | 1993 | 2022 | 4,609 | 2,166 | 2,443 | .470 | -277 | 0 | 1 | 0 | 5 | 620 | 1 | 23,146 | 158,562 | 43,255 | 5,263 | .273 | 24,299 | 4.97 |
10 | Detroit Tigers | 1901 | 2022 | 18,923 | 9,474 | 9,356 | .503 | 118 | 7 | 11 | 4 | 16 | 1753 | 24 | 87,081 | 645,512 | 170,967 | 14,124 | .265 | 86,758 | 4.00 |
11 | Houston Astros | 1962 | 2022 | 9,567 | 4,771 | 4,791 | .499 | -20 | 11 | 4 | 1 | 15 | 957 | 10 | 40,580 | 324,600 | 82,695 | 7,857 | .255 | 40,243 | 3.81 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2022 | 8,420 | 4,027 | 4,391 | .478 | -364 | 8 | 4 | 2 | 9 | 951 | 4 | 36,903 | 288,347 | 75,972 | 6,559 | .263 | 38,902 | 4.25 |
13 | Los Angeles Angels | 1961 | 2022 | 9,730 | 4,848 | 4,879 | .498 | -31 | 9 | 1 | 1 | 10 | 1158 | 12 | 42,210 | 330,343 | 84,850 | 8,658 | .257 | 42,570 | 3.99 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2022 | 21,226 | 11,168 | 9,919 | .530 | 1249 | 19 | 25 | 7 | 35 | 1908 | 51 | 95,422 | 723,234 | 189,000 | 13,450 | .261 | 89,811 | 3.52 |
| Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Bridegrooms, Brooklyn Grooms, Brooklyn Grays and Brooklyn Atlantics |
15 | Miami Marlins | 1993 | 2022 | 4,599 | 2,121 | 2,478 | .461 | -357 | 0 | 2 | 2 | 3 | 678 | 5 | 19,522 | 156,402 | 40,001 | 4,184 | .256 | 21,326 | 4.30 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2022 | 8,432 | 4,080 | 4,348 | .484 | -268 | 5 | 1 | 0 | 8 | 977 | 7 | 37,412 | 286,420 | 73,565 | 8,205 | .257 | 38,460 | 4.16 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2022 | 18,914 | 9,055 | 9,750 | .482 | -695 | 12 | 6 | 3 | 17 | 1771 | 28 | 83,112 | 645,353 | 169,514 | 11,467 | .263 | 86,456 | 3.99 |
| Also played as Washington Senators |
| Montreal Expos, see Washington Nationals |
| New York Giants, see San Francisco Giants |
18 | New York Mets | 1962 | 2022 | 9,561 | 4,598 | 4,955 | .481 | -357 | 6 | 5 | 2 | 9 | 1166 | 16 | 39,235 | 323,580 | 80,913 | 8,004 | .250 | 40,230 | 3.80 |
19 | New York Yankees | 1903 | 2022 | 18,603 | 10,558 | 7,957 | .570 | 2601 | 19 | 40 | 27 | 57 | 1746 | 47 | 90,444 | 634,358 | 168,784 | 16,655 | .266 | 77,608 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2022 | 18,865 | 9,175 | 9,603 | .489 | -428 | 17 | 15 | 9 | 29 | 2031 | 41 | 83,544 | 639,742 | 165,094 | 13,628 | .258 | 86,005 | 3.98 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2022 | 21,237 | 9,974 | 11,148 | .472 | -1174 | 12 | 7 | 2 | 14 | 2140 | 36 | 94,144 | 726,716 | 189,285 | 13,612 | .260 | 100,112 | 3.99 |
| Also played as Philadelphia Quakers |
22 | Pittsburgh Pirates | 1882 | 2022 | 21,386 | 10,654 | 10,592 | .501 | 62 | 9 | 9 | 5 | 17 | 2075 | 40 | 95,338 | 732,914 | 193,370 | 11,817 | .264 | 95,242 | 3.74 |
| Also played as Pittsburgh Alleghenys |
23 | San Diego Padres | 1969 | 2022 | 8,436 | 3,908 | 4,526 | .463 | -618 | 5 | 2 | 0 | 6 | 1095 | 12 | 33,982 | 285,259 | 71,106 | 6,734 | .249 | 37,030 | 3.97 |
24 | San Francisco Giants | 1883 | 2022 | 21,310 | 11,341 | 9,806 | .536 | 1535 | 9 | 23 | 8 | 27 | 1878 | 57 | 98,727 | 727,612 | 191,814 | 15,094 | .264 | 91,212 | 3.58 |
| Also played as New York Giants and New York Gothams |
25 | Seattle Mariners | 1977 | 2022 | 7,141 | 3,371 | 3,768 | .472 | -397 | 3 | 0 | 0 | 4 | 947 | 6 | 31,691 | 243,926 | 63,044 | 7,152 | .258 | 33,591 | 4.33 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2022 | 21,430 | 11,081 | 10,197 | .521 | 884 | 14 | 23 | 11 | 31 | 2177 | 49 | 98,322 | 734,753 | 195,420 | 12,630 | .266 | 94,288 | 3.68 |
| Also played as St. Louis Perfectos, St. Louis Browns and St. Louis Brown Stockings |
27 | Tampa Bay Rays | 1998 | 2022 | 3,857 | 1,866 | 1,991 | .484 | -125 | 4 | 2 | 0 | 7 | 559 | 1 | 17,151 | 131,325 | 33,463 | 4,003 | .255 | 17,796 | 4.27 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2022 | 9,713 | 4,618 | 5,089 | .476 | -471 | 7 | 2 | 0 | 8 | 1210 | 9 | 43,663 | 331,691 | 85,741 | 9,632 | .258 | 45,805 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2022 | 7,140 | 3,548 | 3,589 | .497 | -41 | 6 | 2 | 2 | 8 | 888 | 8 | 33,099 | 244,763 | 63,767 | 7,770 | .261 | 32,783 | 4.23 |
30 | Washington Nationals | 1969 | 2022 | 8,429 | 4,097 | 4,328 | .486 | -231 | 5 | 1 | 1 | 6 | 1006 | 10 | 35,365 | 285,197 | 72,465 | 7,193 | .254 | 36,401 | 3.91 |
| Also played as Montreal Expos |
| Washington Senators (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises