Q. Why is it called the World Series if only North American teams play?

Game 1 of the 2026 World Series opened with a 103.5 mph first pitch from Milwaukee’s Jacob Misiorowski, the fastest World Series pitch since tracking began in 2008. The matchup raises an older question, though: the Milwaukee Brewers and the Tampa Bay Rays are both American teams. So why is it called the World Series if only North American teams play?

The short answer: the World Series is the final between the champions of Major League Baseball’s two leagues, the American League and the National League, and the “World” comes from a 19th-century habit of calling that winner the “world’s champion”. The popular story that the New York World newspaper sponsored the event and gave it its name has no evidence behind it.

What is the World Series, and is it the same as the MLB postseason?

Major League Baseball’s 30 teams are split into two leagues of 15, the American League (AL) and the National League (NL). The World Series is where the two league champions meet in a best-of-seven series: the first team to win four games takes the title. Because it is played mostly in October, it is also called the Fall Classic.

The postseason is the whole playoff bracket after the regular season; the World Series is only its last round. Since 2022, 12 teams qualify each year, six per league: three division winners and three wild cards, the best teams that did not win their division.

Round	Who plays	Format
Wild Card Series	Seeds 3 to 6 in each league	Best of three, all games at the higher seed
Division Series	Seeds 1 and 2 plus the Wild Card Series winners	Best of five
League Championship Series	The two Division Series winners in each league	Best of seven
World Series	AL champion vs NL champion	Best of seven

Where does the name “World Series” come from?

The name is older than today’s event. From 1884 to 1890, the champions of the National League and a rival major league, the American Association, met every autumn in what MLB.com describes as loosely organized “World’s Championship” series of three to 15 games. The winner was considered the world’s champion.

When the American and National leagues made peace and met for the first time in 1903, they borrowed the term. The “World’s Championship Series” was soon shortened to “World’s Series” and then to “World Series”.

Why “world” at all? MLB.com’s simplest explanation is marketing. A brand-new event had no history to sell, so promoters such as Pittsburgh owner Barney Dreyfuss sold it as a contest of worldwide importance to draw crowds. Few countries played baseball at the time, so the name sounded reasonable, if not exactly accurate.

Was the World Series named after the New York World newspaper?

A popular story says the name comes from the New York World, the paper Joseph Pulitzer bought in 1883, because it sponsored the early Series. But there is no evidence that the New York World ever sponsored the World Series.

The timeline does not fit: “world’s championship” was already in use in the 1880s. The fact-checking site Snopes adds that newspapers of the era used several names, from “championship series” to “world’s series”, before one stuck. A sponsor’s name would have been fixed from the start.

In a 1999 newspaper article quoted by Snopes, National Baseball Hall of Fame researcher Eric Enders said there was no evidence of sponsorship and that the owners had borrowed the name from the 1880s series. The earliest version of the myth that Snopes could find dates from 1991, nearly 90 years after the first modern Series.

When did the World Series start, and has a team from outside the US ever won?

The first modern World Series began on 1 October 1903. The AL champion Boston Americans (today’s Red Sox) beat the NL champion Pittsburgh Pirates five games to three in a best-of-nine series, after trailing three games to one.

There was no Series in 1904. Nothing required one, and New York Giants owner John T. Brush refused to let his NL champions face what he considered an inferior upstart league. The Series returned in 1905 as a best-of-seven and has stayed that way, except for three best-of-nine Series from 1919 to 1921 played to bring in more money. In 1994 a players’ strike cancelled the whole postseason. With only 1904 and 1994 missing, 2026 brings the 122nd World Series.

Today the only MLB (Major League Baseball) team outside the United States is the Toronto Blue Jays. Montreal, which had a major league team from 1969, never reached a World Series. Toronto won the World Series in 1992 and 1993 and is still the only champion from outside the US. The Blue Jays returned in 2025 but lost to the Los Angeles Dodgers in seven games. Strictly speaking, then, it is a North American event.

The players come from much further away: MLB.com points to the 2018 Series, where Dodgers pitcher Hyun-Jin Ryu of South Korea faced Red Sox shortstop Xander Bogaerts of Aruba.

Why is the 2026 World Series a battle for a first title?

This year the NL champion Milwaukee Brewers face the AL champion Tampa Bay Rays. Neither club had won a World Series before, so 2026 will crown a first-time champion either way.

Milwaukee is in its first World Series since 1982, when the Brewers were an American League team and lost to the St. Louis Cardinals in seven games. Tampa Bay is making its third appearance after losing in 2008 to the Philadelphia Phillies and in 2020 to the Dodgers.

Home games follow the 2-3-2 pattern used since 1924, with home-field advantage going to the team with the better regular-season record: Milwaukee, at 103-59 to Tampa Bay’s 98-64. So Games 1, 2, 6 and 7 are in Milwaukee and Games 3 to 5 at Tropicana Field in St. Petersburg, Florida (Games 5 to 7 only if needed). The Brewers won Game 1 3-2 on 23 October; a Game 7 would fall on 31 October.

In short

The World Series is the last round of the MLB postseason, a best-of-seven final between the American League and National League champions. Its name comes from the 1880s “world’s championship” series, not from the New York World newspaper. Only one team from outside the US has ever won it: the Toronto Blue Jays, in 1992 and 1993.