Notes: Pierce injured the knee during Sunday morning's shootaround and hurt it again when he tried to get around a screen set by Smith during Game 4 that night. ... Rivers became just the third coach in Celtics' history to record 50 postseason victories, joining Red Auerbach (90) and K.C. Jones (65). New England Patriots defensive lineman Vince Wilfork was at the game. ... The Hawks lost to the Celtics in the first round of the 2008 playoffs, a series that went seven games. Boston went on to win its NBA-record 17th championship. ... Allen, the NBA's all-time 3-point leader, was 1 for 7 from beyond the arc. ... The Hawks are 1-11 in playoff series against Boston. They last beat the Celtics as the St. Louis Hawks to win the 1958 NBA title. ... Rondo had three assists and two baskets during a 16-0 run in the second quarter. Pierce, who came back off the bench in the middle of the run, had five points and a steal over the span of 4 minutes.
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