"Top to bottom the Bundesliga has been better than any league in Europe, " said Sigi Schmid, the German-born coach of Major League Soccer's Seattle Sounders.
The final piece of the puzzle fell into place when the Sounders signed MLS coaching legend Sigi Schmid just a month after he had won the 2008 MLS Cup with the Columbus Crew.
Professors Laurence Cole and Sigi Rotmensch at Yale University School of Medicine said the false-positive results of the tests were due to the presence of human antibodies, called heterophil antibodies, which are present in a large number of people who do not have cancer.