Moss later went on to become an MLB agent. The 1968 collective bargaining agreement was the first of its kind in pro sports. In 1970, players gained the right to have grievances heard by an impartial arbitrator. In 1973, they achieved a limited right to have salary demands subjected to arbitration. MLB is the only professional sport in the U.S. not to have a salary cap. (Although a competitive balance tax has been implemented since 2002, whereby any teams that exceed a mutually agreed upon amount in total salaries are assessed the tax which is paid to MLB and put in an industry growth fund to keep the sport competitive.) Former MLB Commissioner Fay Vincent said upon learning of Miller's death in 2012, "I think he's the most important baseball figure of the last 50 years. He changed not just the sport but the business of the sport permanently, and he truly emancipated the baseball player – and in the process all professional athletes. Prior to his time, they had few rights. At the moment, they control the games." His nemesis throughout the 1970s, MLB Commissioner Bowie Kuhn was not so kind. "I began to realize we had before us an old-fashioned 19th-century trade unionist who hated management generally and the management of baseball specifically.", Kuhn said of Miller in his memoir. Marvin Miller was succeeded in 1985 by Donald Fehr, who had joined the Major League Baseball Players Association as general counsel in 1977. Miller, even after retiring, remained close with his successor as a consultant. Fehr stepped down in 2009 and was replaced by the union's general counsel, Michael Weiner. Hall of Fame consideration In 2000, Hank Aaron endorsed Miller's selection to the Baseball Hall of Fame, saying "Marvin Miller should be in the Hall of Fame if the players have to break down the doors to get him in." Tom Seaver said, "Marvin's exclusion from the Hall of Fame is a national disgrace." Joe Morgan said, "They should vote him in and then apologize for making him wait so long." Broadcaster Bob Costas observed, "There is no non-player more deserving of the Hall of Fame." 2003 and 2007 Balloting Miller fell short of selection to the Hall of Fame in 2003 and 2007. In 2007, he finished as the top executive with 63% of the vote; election requires 75% of the vote. The 2003 and 2007 votes