With the Lakers already through, the Heat booked their place in the title-deciding series with a 125-113 win in game six of the Eastern Conference Finals against the Boston Celtics on Monday (NZ time).
Bam Adebayo proved the key man for Miami, scoring a career-high 32 points and adding 14 rebounds to help his side take the seven-game series 4-2.
Star guard Jimmy Butler had 22 points, while Tyler Herro had 19 and Andre Iguodala finished with a season-high 15.
