I can't believe I'm the first one to post this.
During Michael's tenure as general manager, the Yankees drafted or signed such notable players as Mariano Rivera, Andy Pettitte, Derek Jeter, Jorge Posada (collectively known as the Core Four), and others. Further, he traded for Paul O'Neill.[23] Michael also demonstrated patience with Bernie Williams, whom Yankees owner George Steinbrenner had wanted to trade when he struggled early in his career.