NBA: Horford, Smart lift Celtics over Bucks 92-87 for 3-2 lead

Boston Celtics guard Marcus Smart, left, blocks a shot by Milwaukee Bucks forward Giannis Antetokounmpo during the first quarter of Game 5 of an NBA basketball first-round playoff series in Boston, Tuesday, April 24, 2018. (AP Photo/Charles Krupa)

BOSTON — Al Horford has been the Celtics’ quiet leader this postseason, and Marcus Smart might be the kindling Boston was missing in back-to-back losses in Milwaukee.