FILE - This Oct. 1, 2013 file photo shows New York Yankees' Alex Rodriguez arrivng at the offices of Major League Baseball in New York. Rodriguez sued Major League Baseball and its players' union Monday, Jan. 13, 2014 seeking to overturn a season-long suspension imposed by an arbitrator who ruled there was "clear and convincing evidence" he used three banned substances and twice tried to obstruct the sport's drug investigation. (AP Photo/David Karp, file)