No.
Either team could lose Game 5 and then win Game 6 and Game 7 to win the title.
LeBron James (L) of the Miami Heat looks to pass under pressure from Kawhi Leonard of the San Antonio Spurs during game four of the NBA finals on June 13, 2013 in San Antonio, Texas, where the Heat defeated the Spurs 109-93 to even the series 2-2. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/Getty Images)
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No.
Either team could lose Game 5 and then win Game 6 and Game 7 to win the title.