All three researchers agree that separating Mazzone 's skill from that of General Manager John Schuerholz and Manager Bobby Cox is difficult ; the three have formed Atlanta 's brain trust since 1990 .
John Schuerholz /people/person/place_lived Atlanta
DT CD NNS VBP IN VBG NNP POS NN IN DT IN NNP NNP NNP NNP CC NNP NNP NNP VBZ JJ : DT CD VBP VBN NNP POS NN NN IN CD .
John Schuerholz
PERSON
Atlanta
LOCATION
/people/person/place_lived