http://joeposnanski.blogspot.com/201...r-you-get.html

There is a lot in the article, but here is the real good stuff:

Winning percentages when team leads by three runs going into the ninth inning:

1960s: .974

1970s: .977

1980s: .975

1990s: .963

2000s: .976

Winning percentages when team leads by two runs going into the ninth inning:

1960s: .930

1970s: .925

1980s: .941

1990s: .936

2000s: .931

WInning percentages when team leads by one run going into the ninth inning:

1960s: .844

1970s: .850

1980s: .852

1990s: .846

2000s: .848