The Los Angeles Clippers rallied for a wild 101-99 victory over the Oklahoma City Thunder to even their best-of-seven Western Conference semi-final at 2-2.
The Clippers fell behind 22 points during the first quarter and never led until the game's final 83 seconds yet found a way to avoid being pushed to the brink of playoff elimination.
Reserve Darren Collison sparked the Clippers with 12 of his 18 points in the fourth quarter, scoring four straight to put Los Angeles ahead 101-97 with 32 seconds left.
Kevin Durant had a game-high 40 points and added seven rebounds in the crushing defeat, which ended when Russell Westbrook missed a three-point attempt at the buzzer.
Game Five is on Tuesday in Oklahoma City.
Elsewhere, Indiana's Paul George compiled a playoff career-high 39 points and added 12 rebounds as the Pacers edged Washington 95-92 to take a 3-1 lead in their NBA Eastern Conference semi-final series.
The top-seeded Pacers trailed by 17 points at halftime but fought back to win their third straight game and take a commanding lead in the best-of-seven series.
The Pacers can advance to a second consecutive East final with a win in Game Five set for Tuesday in Indiana.