There will be plenty on the line when longtime rivals Real Salt Lake and Houston Dynamo FC square off Saturday in a late-season Western Conference match in Texas. RSL hold a 14-13-11 edge over Houston in the all-time regular season series. The sides have met twice this year, with RSL winning 3-2 at home on July 3 in MLS play and Houston victorious 3-0 in the Group stage of the Leagues Cup on Aug. 4. RSL haven't won a match in Houston since August 2018. The Dynamo (11-8-8, 41 points) begin the weekend in seventh place in the West, one point ahead of the Portland Timbers and a point behind the Vancouver Whitecaps in the crowded bottom middle of the conference table with seven matches to play. Four points separate fourth place from eighth in the West. Houston has earned points in tw…