<Table> <Tr> <Td> ← 2009 </Td> <Td> World Series </Td> <Td> 2011 → </Td> </Tr> </Table> <Tr> <Td> ← 2009 </Td> <Td> World Series </Td> <Td> 2011 → </Td> </Tr> <P> The 2010 World Series was the 106th edition of Major League Baseball's championship series . The best - of - seven playoff, played between the American League champions Texas Rangers and the National League champions San Francisco Giants, began on Wednesday, October 27, and ended on Monday, November 1 . The Giants won the series 4--1 to secure their first World Series championship since 1954 and their first since relocating to San Francisco from New York City in 1958 . It was the first ever "Cal - Tex Series", in which teams from California and Texas compete; it didn't happen again until 2017 when Los Angeles Dodgers plays Houston Astros . </P> <P> In their respective League Championship Series, the Rangers and the Giants eliminated the 2009 World Series teams--the New York Yankees and the Philadelphia Phillies--each in six games . The Rangers' victory in the ALCS gave the franchise its first World Series appearance in its 50 - year history, dating from their inauguration as the second Washington Senators club in 1961 . Meanwhile, the victory in the NLCS gave the Giants their fourth World Series appearance since moving to San Francisco prior to the 1958 season; their most recent appearance had been in the 2002 World Series, when they lost to the Anaheim Angels in seven games . Coincidentally, the Giants and Rangers faced off in the first regular - season interleague game, on June 12, 1997, at the Ballpark in Arlington; Rangers reliever Darren Oliver, in his first stint with the club, threw the game's first pitch . </P>

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