| Anaheim Angels, see Los Angeles Angels |
1 | Arizona Diamondbacks | 1998 | 2024 | 4,142 | 2,012 | 2,130 | .486 | -118 | 5 | 2 | 1 | 7 | 605 | 2 | 18,781 | 141,336 | 35,963 | 4,364 | .254 | 19,146 | 4.27 |
2 | Atlanta Braves | 1876 | 2024 | 22,084 | 11,045 | 10,885 | .504 | 160 | 23 | 18 | 4 | 29 | 2111 | 54 | 98,778 | 756,213 | 196,523 | 14,821 | .260 | 97,314 | 3.67 |
| Also played as Milwaukee Braves, Boston Braves, Boston Bees, Boston, Boston Doves, Boston Nationals and Boston Reds |
3 | Baltimore Orioles | 1901 | 2024 | 19,182 | 9,048 | 10,024 | .474 | -976 | 10 | 7 | 3 | 15 | 1964 | 34 | 82,792 | 651,578 | 168,218 | 14,189 | .258 | 88,222 | 4.05 |
| Also played as St. Louis Browns and Milwaukee Brewers |
| Boston Braves, see Atlanta Braves |
4 | Boston Red Sox | 1901 | 2024 | 19,170 | 9,892 | 9,195 | .518 | 697 | 10 | 14 | 9 | 25 | 1930 | 39 | 89,539 | 656,065 | 175,156 | 14,385 | .267 | 85,919 | 3.92 |
| Also played as Boston Americans |
| Brooklyn Dodgers, see Los Angeles Dodgers |
| California Angels, see Los Angeles Angels |
5 | Chicago Cubs | 1876 | 2024 | 22,124 | 11,263 | 10,700 | .513 | 563 | 8 | 17 | 3 | 21 | 2233 | 46 | 101,844 | 757,155 | 198,383 | 15,044 | .262 | 98,371 | 3.70 |
| Also played as Chicago, Chicago Orphans, Chicago Colts and Chicago White Stockings |
6 | Chicago White Sox | 1901 | 2024 | 19,178 | 9,559 | 9,516 | .501 | 43 | 6 | 6 | 3 | 11 | 1887 | 34 | 83,504 | 649,525 | 168,866 | 12,138 | .260 | 83,378 | 3.79 |
7 | Cincinnati Reds | 1882 | 2024 | 21,708 | 10,873 | 10,696 | .504 | 177 | 10 | 10 | 5 | 16 | 2146 | 37 | 97,450 | 739,824 | 192,898 | 14,130 | .261 | 96,701 | 3.77 |
| Also played as Cincinnati Redlegs and Cincinnati |
8 | Cleveland Guardians | 1901 | 2024 | 19,181 | 9,780 | 9,310 | .512 | 470 | 11 | 6 | 2 | 16 | 1992 | 35 | 86,778 | 654,007 | 173,298 | 13,712 | .265 | 84,581 | 3.83 |
| Also played as Cleveland Indians, Cleveland Naps, Cleveland Napoleons, Cleveland Blues and Cleveland |
9 | Colorado Rockies | 1993 | 2024 | 4,888 | 2,267 | 2,621 | .464 | -354 | 0 | 1 | 0 | 5 | 660 | 2 | 24,342 | 168,025 | 45,600 | 5,530 | .271 | 25,917 | 5.01 |
10 | Detroit Tigers | 1901 | 2024 | 19,205 | 9,608 | 9,504 | .503 | 104 | 7 | 11 | 4 | 16 | 1793 | 24 | 88,207 | 655,026 | 173,194 | 14,386 | .264 | 88,011 | 4.00 |
11 | Houston Astros | 1962 | 2024 | 9,848 | 4,931 | 4,912 | .501 | 19 | 13 | 5 | 2 | 17 | 986 | 10 | 41,960 | 334,209 | 85,176 | 8,227 | .255 | 41,367 | 3.80 |
| Also played as Houston Colt .45s |
| Kansas City Athletics, see Oakland Athletics |
12 | Kansas City Royals | 1969 | 2024 | 8,703 | 4,141 | 4,560 | .476 | -419 | 8 | 4 | 2 | 9 | 999 | 4 | 38,086 | 297,798 | 78,286 | 6,835 | .263 | 40,284 | 4.27 |
13 | Los Angeles Angels | 1961 | 2024 | 10,008 | 4,969 | 5,036 | .497 | -67 | 9 | 1 | 1 | 10 | 1215 | 12 | 43,380 | 339,738 | 87,103 | 9,018 | .256 | 43,914 | 4.00 |
| Also played as Los Angeles Angels of Anaheim, Anaheim Angels and California Angels |
14 | Los Angeles Dodgers | 1884 | 2024 | 21,510 | 11,354 | 10,017 | .531 | 1337 | 21 | 25 | 7 | 37 | 1956 | 53 | 96,984 | 732,938 | 191,524 | 13,860 | .261 | 90,908 | 3.52 |
| Also played as Brooklyn Dodgers, Brooklyn Robins, Brooklyn Superbas, Brooklyn Grooms, Brooklyn and Brooklyn Bridegrooms |
15 | Miami Marlins | 1993 | 2024 | 4,882 | 2,249 | 2,633 | .461 | -384 | 0 | 2 | 2 | 4 | 735 | 5 | 20,570 | 165,907 | 42,303 | 4,437 | .255 | 22,585 | 4.29 |
| Also played as Florida Marlins |
| Milwaukee Braves, see Atlanta Braves |
16 | Milwaukee Brewers | 1969 | 2024 | 8,710 | 4,234 | 4,472 | .486 | -238 | 6 | 1 | 0 | 9 | 1032 | 7 | 38,685 | 295,745 | 75,804 | 8,526 | .256 | 39,610 | 4.15 |
| Also played as Seattle Pilots |
| Milwaukee Brewers (1901), see Baltimore Orioles |
17 | Minnesota Twins | 1901 | 2024 | 19,191 | 9,194 | 9,888 | .482 | -694 | 13 | 6 | 3 | 18 | 1810 | 29 | 84,382 | 654,750 | 171,794 | 11,820 | .262 | 87,627 | 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 | 9,840 | 4,742 | 5,090 | .482 | -348 | 6 | 5 | 2 | 10 | 1234 | 16 | 40,486 | 332,917 | 83,198 | 8,351 | .250 | 41,380 | 3.80 |
19 | New York Yankees | 1903 | 2024 | 18,884 | 10,704 | 8,092 | .569 | 2612 | 20 | 40 | 27 | 58 | 1798 | 47 | 91,698 | 643,695 | 170,968 | 17,044 | .266 | 78,755 | 3.65 |
| Also played as New York Highlanders |
20 | Oakland Athletics | 1901 | 2024 | 19,145 | 9,275 | 9,783 | .487 | -508 | 17 | 15 | 9 | 29 | 2096 | 41 | 84,554 | 648,924 | 167,121 | 13,922 | .258 | 87,476 | 4.00 |
| Also played as Kansas City Athletics and Philadelphia Athletics |
| Philadelphia Athletics, see Oakland Athletics |
21 | Philadelphia Phillies | 1883 | 2024 | 21,518 | 10,133 | 11,270 | .473 | -1137 | 12 | 8 | 2 | 16 | 2179 | 37 | 95,481 | 736,270 | 191,737 | 13,984 | .260 | 101,312 | 3.99 |
| Also played as Philadelphia Phils and Philadelphia |
22 | Pittsburgh Pirates | 1882 | 2024 | 21,668 | 10,777 | 10,751 | .501 | 26 | 9 | 9 | 5 | 17 | 2131 | 40 | 96,473 | 742,325 | 195,566 | 12,083 | .263 | 96,616 | 3.76 |
| Also played as Pittsburgh and Allegheny City |
23 | San Diego Padres | 1969 | 2024 | 8,718 | 4,050 | 4,666 | .465 | -616 | 5 | 2 | 0 | 7 | 1147 | 13 | 35,249 | 294,685 | 73,399 | 7,062 | .249 | 38,211 | 3.97 |
24 | San Francisco Giants | 1883 | 2024 | 21,592 | 11,475 | 9,954 | .535 | 1521 | 9 | 23 | 8 | 27 | 1934 | 57 | 99,879 | 737,001 | 194,006 | 15,389 | .263 | 92,456 | 3.58 |
| Also played as New York Giants and New York |
25 | Seattle Mariners | 1977 | 2024 | 7,420 | 3,531 | 3,887 | .476 | -356 | 3 | 0 | 0 | 5 | 999 | 7 | 32,953 | 253,265 | 65,241 | 7,511 | .258 | 34,672 | 4.30 |
| Seattle Pilots, see Milwaukee Brewers |
| St. Louis Browns, see Baltimore Orioles |
26 | St. Louis Cardinals | 1882 | 2024 | 21,708 | 11,216 | 10,340 | .520 | 876 | 15 | 23 | 11 | 32 | 2214 | 50 | 99,552 | 744,141 | 197,735 | 12,975 | .266 | 95,594 | 3.69 |
| Also played as St. Louis and St. Louis Browns |
27 | Tampa Bay Rays | 1998 | 2024 | 4,140 | 2,025 | 2,115 | .489 | -90 | 4 | 2 | 0 | 9 | 606 | 2 | 18,502 | 140,887 | 35,875 | 4,331 | .255 | 18,960 | 4.24 |
| Also played as Tampa Bay Devil Rays |
28 | Texas Rangers | 1961 | 2024 | 9,995 | 4,756 | 5,233 | .476 | -477 | 7 | 3 | 1 | 9 | 1249 | 10 | 45,066 | 341,330 | 88,184 | 10,005 | .258 | 47,081 | 4.29 |
| Also played as Washington Senators |
29 | Toronto Blue Jays | 1977 | 2024 | 7,422 | 3,702 | 3,717 | .499 | -15 | 6 | 2 | 2 | 10 | 921 | 10 | 34,379 | 254,383 | 66,237 | 8,088 | .260 | 33,952 | 4.22 |
30 | Washington Nationals | 1969 | 2024 | 8,706 | 4,209 | 4,493 | .484 | -284 | 5 | 1 | 1 | 6 | 1052 | 10 | 36,479 | 294,561 | 74,795 | 7,447 | .254 | 37,814 | 3.94 |
| Also played as Montreal Expos |
| Washington Senators/Nationals (1901-1960), see Minnesota Twins |
| Washington Senators (1961-1971), see Texas Rangers |
Inactive Franchises