Game theory for World Cup

I came across these two interesting articles that talk about how Game Theory is used in soccer (for the world cup , during penalty shoot outs.)

The article goes on to say that Italy’s goalkeeper Gianluigi Buffon is supposedly a superb economist — his strategies are absolutely unpredictable, and extremely successful

Links for the two articles are:
http://economictimes.indiatimes.com/articleshow/msid-1696499,curpg-1.cms

http://www.slate.com/id/2144182