"Parity" thy name is not MLB. Only the Boston Red Sox and the New York Yankees exceeded Bud Selig's salary guidelines and will therefore make luxury tax payments for 2010. No wonder the Red Sox want to put off Adrian Gonzalez's extension until Opening Day!Of course, despite the two titans of the AL East being paired in this way, the actual payments are hugely different—the Empire shelling out $18 million and the Sox a relative pittance at $1.5 million.