Updated: Tuesday, 13 May 2014 14:03 | By Agence France-Presse

Portland top Spurs to stay alive in NBA playoffs

Damian Lillard scored 25 points as the Portland Trail Blazers stayed alive in the NBA playoffs with a 103-92 victory over San Antonio.

Portland top Spurs to stay alive in NBA playoffs

Damian Lillard (R) of the Portland Trail Blazers talks to referee Monty McCutchen in the first quarter of Game Four of their Western Conference semi-finals, during the NBA Playoffs at the Moda Center in Portland, Oregon, on May 12, 2014 - by Steve Dykes

LaMarcus Aldridge on Monday added 19 points for the Trail Blazers, whose victory in game four of the Western Conference second-round playoff series prevented a Spurs sweep.

They'll head back to San Antonio for game five on Wednesday, with the Spurs still up 3-1 and looking to wrap up the series and reach the conference finals for a third straight season.

The winners of the series will face either the Los Angeles Clippers or Oklahoma City in the conference finals.

The Clippers and Thunder are 2-2 going into game five at Oklahoma City on Tuesday.

The Spurs had dominated the first three games against Portland but with their backs against the wall the Blazers came through.

Portland led throughout the second half, and Spurs coach Gregg Popovich rested stars Tony Parker and Tim Duncan after his team fell behind by 20 in the final quarter.

Nicolas Batum scored 14 points and pulled down 14 rebounds for Portland, while Will Barton contributed 17 points off the bench.

Tony Parker led the Spurs with 14 points -- a significant drop from the 29 he produced in San Antonio's game-three triumph.

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