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NEW YORK — Alex Rodriguez sued Major League Baseball and its players’ union Monday, 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.
As part of the lawsuit filed in federal court in Manhattan, the New York Yankees third baseman made public Saturday’s 33-page decision by arbitrator Fredric Horowitz, who shortened a penalty originally set at 211 games last August by baseball Commissioner Bud Selig for violations of the sport’s drug agreement and labor contract.
Horowitz, a 65-year-old making his second decision as baseball’s independent arbitrator, trimmed the penalty to 162 games, plus all postseason games in 2014.