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1. Pittsburgh
It's the Steelers at .537, Penguins at .523, and Pirates at .501.
2. Houston
Rockets at .515, Astros at .501, and Texans at .430
3. Toronto
Maple Leafs at .517, Blue Jays at .499, Raptors at .481
4. Detroit
Red Wings at .530, Tigers at .503, Pistons at .475, Lions at .456
5. Cleveland
The Guardians are at .512, the Browns are at .491, and the Cavaliers are at .465
6. Philadelphia
Flyers at .576, 76ers at .521, Eagles at .495, Phillies at .473
7. Seattle
Thunder at .533, Seahawks are .517, Kraken at .488, Mariners are .476
8. Boston
Celtics at .592, Bruins at .567, Patriots at .555, and Red Sox at .518
9. Charlotte
Panthers at .459, Hurricanes at .446, Hornets at .438
10. Chicago
Bears at .554, Cubs at .513, Bulls at .510, White Sox at .502, Blackhawks at .501
11. Wisconsin
Packers at .570, Bucks at .527, and Brewers at .486
12. Los Angeles
The Lakers win at .592. Next is the Dodgers at .531, Rams at .506, Chargers and Angels at .497, and Clippers at .419
13. Missouri
Chiefs at .547, Cardinals at .537, Blues at .536, Royals at .475
14. Minnesota
Vikings at .545, Wild at .524, Twins at .482, and Timberwolves are last in NBA at .402
15. Cincinnati
The Reds win at .504. The Bengals are at .456.
16. Arizona/Phoenix
Suns at .536, Diamondbacks at .486, Coyotes at .475, Cardinals at .424
17. San Francisco
49ers at .539, Giants at .536, Sharks at .525, Warriors at .485
18. Baltimore
Ravens win at .569 to the Orioles' .474
19. New York
The Yankees are at .569, followed by the Giants at .526, the Knicks at .485, the Mets at .482, and the Jets at .439
20. Dallas
Cowboys at .576, Stars at .520, Mavericks at .505, Rangers at .476
21. Indianapolis
Colts at .526 to the Pacers at .497
22. Washington, DC
Capitals at .533, Commanders at .495, Nationals at .484, Wizards at .451
23. Atlanta
Braves at .503, Hawks at .494, Falcons at .437
24. Denver
Avalanche at .535, Broncos at .522, Nuggets at .501, Rockies at .465
25. Miami
Dolphins at .554, Heat at .526, Panthers at .515. Marlins are last in the MLB at .462
26. What NFL team has the lowest all-time win percentage?
27. What NBA team has the lowest all-time win percentage?
28. What MLB team has the lowest all-time win percentage?
29. What sports team has the lowest all-time win percentage?
30. What team has the highest all-time win percentage?
The actual correct answer is the Vegas Golden Knights, but because they haven't played for long enough, I didn't count them.