| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2022 | 3,948 | 1,914 | 2,034 | .485 | -120 | 5 | 1 | 1 | 6 | 566 | 2 | 17,873 | 134,813 | 34,333 | 4,168 | .255 | 18,241 | 4.26 |
2 | Atlanta Braves | 1876 | 2022 | 21,893 | 10,921 | 10,818 | .502 | 103 | 22 | 18 | 4 | 28 | 2080 | 54 | 97,674 | 749,606 | 194,711 | 14,485 | .260 | 96,489 | 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 | 18,990 | 8,928 | 9,952 | .473 | -1024 | 9 | 7 | 3 | 14 | 1936 | 34 | 81,828 | 645,046 | 166,560 | 13,961 | .258 | 87,423 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2022 | 18,977 | 9,796 | 9,098 | .518 | 698 | 10 | 14 | 9 | 25 | 1886 | 38 | 88,618 | 649,440 | 173,452 | 14,167 | .267 | 85,035 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2022 | 21,931 | 11,161 | 10,609 | .513 | 552 | 8 | 17 | 3 | 21 | 2200 | 46 | 100,875 | 750,626 | 196,742 | 14,818 | .262 | 97,513 | 3.69 |
| Also played as Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2022 | 18,985 | 9,492 | 9,390 | .503 | 102 | 6 | 6 | 3 | 11 | 1839 | 34 | 82,774 | 643,020 | 167,345 | 11,945 | .260 | 82,364 | 3.78 |
7 | Cincinnati Reds | 1882 | 2022 | 21,515 | 10,775 | 10,601 | .504 | 174 | 10 | 10 | 5 | 16 | 2103 | 37 | 96,517 | 733,319 | 191,308 | 13,900 | .261 | 95,748 | 3.76 |
| Also played as Cincinnati Redlegs and Cincinnati Red Stockings |
8 | Cleveland Guardians | 1901 | 2022 | 18,989 | 9,684 | 9,214 | .512 | 470 | 11 | 6 | 2 | 16 | 1962 | 35 | 85,961 | 647,470 | 171,665 | 13,558 | .265 | 83,775 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Bronchos and Cleveland Blues |
9 | Colorado Rockies | 1993 | 2022 | 4,696 | 2,201 | 2,495 | .469 | -294 | 0 | 1 | 0 | 5 | 627 | 1 | 23,508 | 161,520 | 43,989 | 5,344 | .272 | 24,773 | 4.98 |
10 | Detroit Tigers | 1901 | 2022 | 19,012 | 9,512 | 9,407 | .503 | 105 | 7 | 11 | 4 | 16 | 1761 | 24 | 87,419 | 648,506 | 171,665 | 14,193 | .265 | 87,154 | 4.00 |
11 | Houston Astros | 1962 | 2022 | 9,656 | 4,831 | 4,820 | .501 | 11 | 12 | 5 | 2 | 16 | 964 | 10 | 40,999 | 327,589 | 83,458 | 7,969 | .255 | 40,513 | 3.80 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2022 | 8,509 | 4,066 | 4,441 | .478 | -375 | 8 | 4 | 2 | 9 | 962 | 4 | 37,262 | 291,318 | 76,713 | 6,639 | .263 | 39,327 | 4.25 |
13 | Los Angeles Angels | 1961 | 2022 | 9,815 | 4,885 | 4,927 | .498 | -42 | 9 | 1 | 1 | 10 | 1173 | 12 | 42,510 | 333,193 | 85,501 | 8,753 | .257 | 42,916 | 3.98 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2022 | 21,315 | 11,234 | 9,942 | .531 | 1292 | 20 | 25 | 7 | 36 | 1914 | 52 | 95,901 | 726,272 | 189,792 | 13,573 | .261 | 90,081 | 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 | 4,688 | 2,157 | 2,531 | .460 | -374 | 0 | 2 | 2 | 3 | 689 | 5 | 19,789 | 159,338 | 40,641 | 4,248 | .255 | 21,687 | 4.29 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2022 | 8,518 | 4,123 | 4,391 | .484 | -268 | 5 | 1 | 0 | 8 | 984 | 7 | 37,800 | 289,317 | 74,244 | 8,323 | .257 | 38,831 | 4.16 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2022 | 18,999 | 9,090 | 9,800 | .481 | -710 | 12 | 6 | 3 | 17 | 1784 | 28 | 83,461 | 648,245 | 170,216 | 11,555 | .263 | 86,840 | 4.00 |
| Also played as Washington Senators |
| Montreal Expos, see Washington Nationals |
| New York Giants, see San Francisco Giants |
18 | New York Mets | 1962 | 2022 | 9,648 | 4,652 | 4,988 | .483 | -336 | 6 | 5 | 2 | 10 | 1184 | 16 | 39,641 | 326,536 | 81,680 | 8,104 | .250 | 40,529 | 3.79 |
19 | New York Yankees | 1903 | 2022 | 18,690 | 10,602 | 8,000 | .570 | 2602 | 20 | 40 | 27 | 58 | 1759 | 47 | 90,873 | 637,305 | 169,499 | 16,785 | .266 | 77,946 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2022 | 18,951 | 9,210 | 9,654 | .488 | -444 | 17 | 15 | 9 | 29 | 2047 | 41 | 83,871 | 642,578 | 165,720 | 13,714 | .258 | 86,422 | 3.98 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2022 | 21,324 | 10,022 | 11,187 | .473 | -1165 | 12 | 8 | 2 | 15 | 2155 | 37 | 94,536 | 729,657 | 190,047 | 13,724 | .260 | 100,475 | 3.99 |
| Also played as Philadelphia Quakers |
22 | Pittsburgh Pirates | 1882 | 2022 | 21,474 | 10,687 | 10,647 | .501 | 40 | 9 | 9 | 5 | 17 | 2089 | 40 | 95,663 | 735,830 | 194,026 | 11,900 | .264 | 95,691 | 3.75 |
| Also played as Pittsburgh Alleghenys |
23 | San Diego Padres | 1969 | 2022 | 8,522 | 3,952 | 4,568 | .464 | -616 | 5 | 2 | 0 | 7 | 1106 | 13 | 34,334 | 288,145 | 71,798 | 6,823 | .249 | 37,400 | 3.97 |
24 | San Francisco Giants | 1883 | 2022 | 21,399 | 11,382 | 9,854 | .536 | 1528 | 9 | 23 | 8 | 27 | 1895 | 57 | 99,087 | 730,572 | 192,492 | 15,187 | .263 | 91,594 | 3.58 |
| Also played as New York Giants and New York Gothams |
25 | Seattle Mariners | 1977 | 2022 | 7,227 | 3,426 | 3,799 | .474 | -373 | 3 | 0 | 0 | 5 | 957 | 6 | 32,084 | 246,759 | 63,689 | 7,270 | .258 | 33,911 | 4.32 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2022 | 21,515 | 11,131 | 10,232 | .521 | 899 | 15 | 23 | 11 | 32 | 2185 | 50 | 98,724 | 737,618 | 196,136 | 12,745 | .266 | 94,626 | 3.68 |
| Also played as St. Louis Perfectos, St. Louis Browns and St. Louis Brown Stockings |
27 | Tampa Bay Rays | 1998 | 2022 | 3,946 | 1,912 | 2,034 | .485 | -122 | 4 | 2 | 0 | 8 | 572 | 2 | 17,522 | 134,301 | 34,187 | 4,075 | .255 | 18,132 | 4.25 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2022 | 9,802 | 4,650 | 5,146 | .475 | -496 | 7 | 2 | 0 | 8 | 1218 | 9 | 44,046 | 334,690 | 86,455 | 9,738 | .258 | 46,238 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2022 | 7,228 | 3,598 | 3,627 | .498 | -29 | 6 | 2 | 2 | 9 | 895 | 10 | 33,522 | 247,803 | 64,585 | 7,872 | .261 | 33,139 | 4.23 |
30 | Washington Nationals | 1969 | 2022 | 8,514 | 4,123 | 4,387 | .484 | -264 | 5 | 1 | 1 | 6 | 1016 | 10 | 35,660 | 288,047 | 73,165 | 7,269 | .254 | 36,840 | 3.92 |
| Also played as Montreal Expos |
| Washington Senators (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises