Here's a lesson to all you young'ns out there: Premature celebrations are never a good idea. Just ask some of the people on this list. Lakers owner Jack Kent Cooke learned that lesson the hard way when he had celebratory balloons put in the rafters of the Forum prior to the Lakers Game 7 matchup against the Celtics in the 1969 NBA Finals. Before tip off, Bill Russell reportedly told Jerry West, "Those fucking balloons are staying up there." That's exactly what happened. The Celtics won 108-106 to rack up their tenth title in 11 seasons.