Question: Scott Dean Boras, is an American sports agent, specializing in baseball, Boras has brokered many record-setting contracts since 1982, and many of his clients, including Jacoby McCabe Ellsbury, an American professional baseball center fielder for the New York Yankees, of which organization?
Sentence (from "Jacoby Ellsbury"): Jacoby McCabe Ellsbury ( ; born September 11, 1983) is an American professional baseball center fielder for the New York Yankees of Major League Baseball (MLB).
Relevant evidence: Yes