The Grizzlies reached the West semifinals for the third time in five years. They will play Game 1 on Sunday at Golden State.
Memphis closed out Portland in five games despite not having point guard Mike Conley for a second straight game as he recovers from surgery to repair broken bones near his left eye.
Courtney Lee added 20 points for Memphis,
C.J. McCollum led Portland with a career-high 33 points.
at Atlanta 107, Brooklyn 97:
Shaking off a dislocated finger, Horford flew around the court in the fourth quarter when it looked like Brooklyn was on the verge of bouncing all the way back from an early 17-point deficit. In the final minute, Teague darted into the lane for a couple of baskets that sealed another hard-fought victory.
The Hawks can wrap it up in Game 6 on Friday in Brooklyn, but the eighth-seeded Nets seem intent on taking it to the limit.
Alan Anderson led the Nets with 23 points off the bench.
Jack carried Brooklyn down the stretch, making back-to-back three-pointers and then driving for a floater in the lane that closed the gap to 90-89 with less than five minutes to go.