2012 MLB Playoffs...Historical Chart

Since I am a nerdy lover of all things facts/statistics/trends/charts/graphs....I found an interesting historical graphic at www.stltoday.com by Josh Renaud, comparing the final four teams in the 2012 MLB playoffs...the link to chart is provided below.

http://www.stltoday.com/sports/baseball/professional/interactive-compare-four-historic-franchises/html_71e553aa-1719-11e2-9135-0019bb30f31a.html

Comparing four historic franchises

Four teams remain in the hunt for the World Series, and each has an impressive pedigree.
Here's a comparison of each franchise's history since 1901.

KEY:  Won World Series  Lost World Series  Playoff appearance

(moving from 1901 = far left to 2011 = far right)
(height of each bar corresponds with number of wins per season)

St. Louis Cardinals

San Francisco Giants

New York Yankees

Detroit Tigers

Source: baseball-reference.com

Cardinals. Giants. Yankees. Tigers. Compare the historic pedigrees of the four teams that remain in the MLB playoffs.