[video=youtube;avEn_dDZhoE]http://www.youtube.com/watch?v=avEn_dDZhoE[/video] NEW YORK -- Alex Rodriguez took his fight against Major League Baseball out of the hearing room and onto the airwaves Wednesday afternoon, flatly denying on a radio show that he had used any performance-enhancing drugs supplied by Anthony Bosch or Biogenesis. More A-Rod Coverage from ESPN.com O'ConnorIn this case, Alex Rodriguez is right -- MLB commissioner Bud Selig should testify in this grievance hearing, Ian O'Connor writes. Story MatthewsAlex Rodriguez's decision to storm out of his hearing with Major League Baseball raises the question of why commissioner Bud Selig did not want to testify, Wallace Matthews writes. Blog "I did nothing. About the Bosch nonsense? Nothing," Rodriguez said in an interview on WFAN 660 about four hours after he stormed out of his own grievance hearing upon learning MLB commissioner Bud Selig would not be required to testify.