Did Arroyo pitch for the cardinals in 2006 for the World Series?

Answer 1

No, he did not (assuming you are referring to Bronson Arroyo). He started his career with the Pittsburgh Pirates, was claimed off waivers by the Boston Red Sox, then was ultimately traded to the Cincinnati Reds just before the start of the 2006 season, where he still plays now.

Answer 2

The 2006 World Series featured the St. Louis Cardinals beating the Detroit Tigers four games to one.The 2006 St. Louis Cardinals played 161 games during the regular season, won 83 games, lost 78 games, The 2006 Detroit Tigers played 162 games during the regular season, won 95 games, lost 67 games, and finished in second position making to the play-offs as the wild card team.