The highest average for batters who appeared in all six games of the Series was posted by Yankees shortstop Derek Jeter, who hit .407 (11 hits in 27 at bats).
The St. Louis Cardinals they have had the highest batting average for many years and they also had it when they won the world series....
Lou Gehrig .361Lou Gehrig had a .361 average with 119 World Series at bats.
Lou Gehrig (.361 batting average).Lou Gehrig had a .361 average with 119 at bats in world series games.Check out the site below.http://www.baseball-reference.com/players/g/gehrilo01.shtml
Lou gehrig 361 This is the answer to another question: Which player, with 100 or more at bats, has the highest World Series batting average?
because the world series
The New York Yankees had a team batting average of .247 in the 2009 World Series and the Philadelphia Phillies had a team batting average of .227
Yogi Berra has a World Series Career batting average of .274
Lou Gehrig had a .361 average with 119 at bats in world series games.http://www.baseball-reference.com/players/g/gehrilo01.shtml
.321 World Series Batting AverageThrough 2010, Derek Jeter played in 7 World Series, and has a lifetime World Series batting average of .321, 50 hits in 156 at bats.