1. Philadelphia
   Los Angeles
2. San Diego
   Denver

The Dodgers joined the Giants in their exodus to the west. The very next season, the Dodgers won their first World Series championship for Los Angeles.

1. Tampa Bay
   Atlanta
2. Washington, D.C.
   Miami

From 1993 to 2011, the Marlins played in the home stadium of football's Miami Dolphins. They finally got their own home, Marlins Park, in 2012.

1. Montreal
   Boston
2. Oakland
   Minneapolis

Hunter's feat was the fiifth American League perfect game in history. In 1972, the A's won the first of three consecutive World Series championships.

1. Baltimore
   Chicago
2. Los Angeles
   New York

They were known as the White Sox by the time they defeated their cross-town rival in the 1906 World Series. Though the Cubs won their first World Series in over 100 years in 2016, the White Sox brought the Windy City the title in 2005.

1. Boston
   New York
2. Chicago
   Philadelphia

The Phillies lost 81 games their first season. They then became perennial division leaders for the next decade.

1. Toronto
   St. Louis
2. Seattle
   Pittsburgh

Originally called the Alleghenys, Pittsburgh officially became the Pirates in 1891. The name change was largely to thumb their noses at the Philadelphia claims that the poaching of Philly's star Lou Bierbauer was "Piratical."

1. Cincinnati
   New York
2. Cleveland
   Houston

The famous pinstripes appeared first on the Highlanders' uniform. A year later the team became the Yankees.

1. Chicago
   San Francisco
2. San Diego
   Washington, D.C.

The Giants opened their new home in Seals Stadium with an 8-0 shutout of the Dodgers. The Dodgers also left New York City for Los Angeles that same year.

1. Chicago
   San Diego
2. Houston
   Phoenix

The Cubs World Series victory ended the longest championship drought in MLB history. Fans of the cross-town rival White Sox celebrated their World Series championship in 2005.

1. Miami
   San Diego
2. Philadelphia
   Oakland

The Padres lost 110 games in 1969, their first season. They finished last in their division for their first six seasons.

1. San Diego
   Los Angeles
2. San Francisco
   Phoenix

Hollywood star Gene Autry was the original owner of the halos. The team was known as the California Angels prior to 1997.

1. Philadelphia
   Boston
2. New York
   Chicago

The Sox won the very first World Series in 1903. They won four more titles before trading Babe Ruth in 1918, ushering in the "Curse of the Bambino."

1. Arlington
   New York
2. Seattle
   Detroit

The Mariners played their inaugural game before a sold-out Kingdome crowd. The Kingdome hosted the MLB All-Star game just two seasons later.

1. San Diego
   Phoenix
2. Chicago
   Houston

The team name was changed to correspond with the new home in the Astrodome. The move into the Astrodome introduced indoor baseball to the MLB.

1. Washington, D.C.
   Miami
2. Baltimore
   Chicago

The Expos spent their first 36 seasons in Montreal. With their move to D.C., Toronto now has the only major league team in Canada.

1. Tampa Bay
   Houston
2. Cleveland
   Phoenix

In 2001, their fourth season, the Diamondbacks won the World Series. They remain the fastest expansion club to ever become champions.

1. Oakland
   Baltimore
2. New York
   Atlanta

Among the team names that were considered were the Jets and the Islanders. These became the names of New York football and hockey teams.

1. Baltimore
   Montreal
2. Milwaukee
   Cincinnati

The ownership team was headed by future Commissioner Bud Selig. They named the team as a tribute to the city's long-standing brewing industry.

1. San Francisco
   Pittsburgh
2. Philadelphia
   Atlanta

The team was first called the Braves in 1912 in Boston. They carried the name with them to Milwaukee and Atlanta.

1. Baltimore
   Miami
2. St. Louis
   Cleveland

The Orioles began their history in 1954 with the move of the St. Louis Browns to Baltimore. The original Orioles team was formed in 1901, but left for New York to eventually become the Yankees.

1. Tampa Bay
   San Francisco
2. St. Louis
   Oakland

The Tampa Bay squad changed their name to just the Rays starting with the 2008 season. The change corresponded with a new color scheme for the team uniforms.

1. Denver
   Minneapolis
2. Detroit
   New York

The Tigers were one of eight charter members of the American League. Detroit's team played in the National League in the 19th century.

1. Baltimore
   Arlington
2. Pittsburgh
   Denver

The Rockies celebrated the one millionth fan to visit Mile High Stadium on Mother's Day of 1993, just the 17th home game in franchise history. They reached the two million mark on Father's Day.

1. Cincinnati
   Chicago
2. Miami
   Boston

The first Cincinnati team was dissolved in 1870. The second team, a charter member of the National League, was expelled in 1880 for rules violations.

1. San Francisco
   Pittsburgh
2. Minneapolis
   Philadelphia

They were named the Twins to represent the twin-cities of Minneapolis and St. Paul. They found quick success, reaching the World Series in 1965.

1. Arlington
   Houston
2. St. Louis
   Phoenix

The Rangers' inaugural game was delayed by a week, due to a players' strike. The '72 season was Ted Williams' last as team manager.

1. Montreal
   Minneapolis
2. Toronto
   Pittsburgh

The Blue Jays won a snowy inaugural game in Toronto versus the Chicago White Sox. They joined the Seattle Mariners as American League expansion teams.

1. St. Louis
   Baltimore
2. Arlington
   Pittsburgh

The Browns was a shortened version of the earlier Brown Stockings name. The team changed their name after changing their uniform colors from brown to cardinal red.

1. Kansas City
   Houston
2. Minneapolis
   San Diego

The Royals won just 69 games in their first season. The team name was inspired by Kansas City's annual American Royal livestock show, not royalty.

1. Cleveland
   New York
2. Pittsburgh
   Boston

Cleveland played in the American League's inaugural game in 1901. Later that same year, Earl Moore of the Cleveland Blues threw the first no-hitter for the AL.