When the owners wanted to change the terms of a player’s pension, they just went ahead and did it—and seemed stunned when the players thought that they ought to have been consulted. Within a decade, Miller put a stop to all of that. He called the first successful strike in the history of professional sports. He led the fight against the reserve clause. He ushered in free agency. The world that we see now, of multi-million-dollar contracts and players selling their talents on the open market, is the world that Marvin Miller created.Marvin Miller passed away on Tuesday, and Malcolm Gladwell of the New Yorker shares some thoughts on the former union leader.