Through the 2009 season, none.
The Texas Rangers have never played in the World Series and the Houston Astros have played in one World Series losing to the Chicago White Sox, 4 games to 0, in 2005.
3
Washington Nationals Seattle Mariners
Texas Rangers
Athletics with 9.
The Washington Nationals and the Seattle Mariners are the only two active MLB teams that have never been in the World Series.
The San Francisco Giants won the 2010 World Series, defeating the Texas Rangers four games to one.
No. But yes in the World Series, but only in games played in AL parks.
The Rangers are in the MLB and the NHL (New York and Texas) The Giants are teams in the MLB and NFL The Cardinals are teams in the MLB and NFL
The Boston Red Sox beat the St. Louis Cardinals for the 2013 World Series Championship. The teams previously met in the World Series in 2004, 1967 and 1946.
Most World Series won: New York Yankees - 27.
There are at least a minimum of eight teams in Major League Baseball who have not won the World Series and they are the Texas Rangers, the Seattle Mariners and Tampa Bay Rays of the America League, the Houston Astros never won the World Series as part of either the American or National League, the Colorado Rockies, Milwaukee Brewers and San Padres of the National League and also the National League's Washington Nationals who had also never won it as the Montreal Expos.
For winning the World Series it is the Texas Rangers who have, through 2011, never won a WS. Their first season in MLB was 1961 as the Washington Senators. The two teams with longer droughts are the Chicago Cubs who last won in 1908 and the Cleveland Indians who last won in 1948. For playing in a World Series it is the Seattle Mariners who have, through 2011, never played in a WS. Their first season in MLB was 1977. The two teams with longer droughts are the Chicago Cubs who last played in 1945 and the Washington Nationals who have never played in a WS since entering MLB in 1969 as the Montreal Expos.