Dynamo out to prevent Sounders from clinching playoff berth
While the Seattle Sounders are closing the season strong as they pursue a playoff spot, the playoff-bound Houston Dynamo are struggling. The teams meet Wednesday night in Seattle, with Houston hoping to snap a seven-match winless streak and the Sounders aiming to earn points for the 12th time in 13 matches. With a win over the Dynamo and a Portland Timbers loss or draw on the road against St. Louis City, the Sounders would clinch a playoff berth. Seattle (11-10-10, 43 points) is seventh in the Western Conference, five points behind Houston (13-9-9, 48 points). However, the Sounders are 4-1-7 in their past 12 matches, while the fifth-place Dynamo are 0-2-5 in their past seven. Seattle coach Brian Schmetzer said a busy schedule complicates the race to the end of the season. "It's not ideal," he said of playing three games in eight days. "I gotta take this week and try and make sure I do a…