Xavi

thanks to a chemical and biological engineer at Northwestern University who is also a self-proclaimed football fanatic, we can compare our number-crunching with a much-touted new algorithm. Professor Lu?s Amaral's rating system, unveiled Wednesday in the online journal PLoS ONE, was first put to the test after the 2008 European Cup, when it ranked the 20 best footballers that played--a list that lines up pretty well with general analysis.