Once, in 1906. The White Sox defeated the Cubs 4 games to 2.
As of the beginning of the 2013 season, the White Sox have played in 5 World Series (1906, 1917, 1919, 1959, and 2005) and won 3 times (1906, 1917, and 2005).
As of the start of the 2008 season, the Mariners have never played in a World Series.
Alex Rodriguez played in one World Series, 2009 with the Yankees.
10 times
10 times
The Reds have played in the World Series nine times (world championships in bold): 1919, 1939, 1940, 1961, 1970, 1972, 1975, 1976, 1990.
4
Carlos Beltran has never played for a team that made it to the World Series.
The Baltimore Orioles Have appeared in the World Series 7 times. 1944, 1966, 1969, 1970, 1971, 1979, and in 1983. They won World Series titles 3 times in 1966, 1970, and 1983.
3 times
The World Series have many times.
The cardinals and yankess have played each other in nine world series games with the cardinals beating them 5 of 9 times.