June 12, 1984: The Boston Celtics beat the Los Angeles Lakers 111-102 in Game 7 in the first NBA Finals between Boston's Larry Bird and Los Angeles' Magic Johnson. BOSTON — The Boston Celtics, pro basketball's most successful team, used a 24 point performance by Cedric Maxwell and 20 by Larry Bird to beat the Los Angeles Lakers 111-102 Tuesday night in the seventh game of their championship series and win an unprecedented 15th NBA title.