Colorado Rapids goalkeeper Matt Pickens posted his eighth shutout of the season without having to make a save and the Rapids and Real Salt Lake tied 0-0 Friday.
The draw was enough to keep RSL ahead of Colorado (11-9-13) in the Western Conference. It was Colorado's fourth scoreless tie of the season, giving the Rapids 46 points.
Real Salt Lake (15-11-7) has 52 points with a game to play. The team is 0-4-1 in its past five games.
Goalkeeper Nick Rimando made two saves for Real Salt Lake.
The Rapids had the better of the scoring chances in the first half.
Wells Thompson missed an open net in the fourth minute and Rimando stopped Thompson with a diving save in the 45th minute.
Real Salt Lake defender Robbie Russell picked a loose ball inside the box, but his shot in the eighth minute sailed over the crossbar.
Colorado's Jeff Larentowicz got behind the defense and Sanna Nyassi set him up with a cross. But Larentowicz's header in the 56th minute brushed the upper crossbar and ended up in the stands.
Real Salt Lake came close to scoring in the 67th minute. Javier Morales missed the left post on a cross.
Caleb Folan missed the left post from 25 yards in the 82nd minute.