MLS playoff roundup and predictions

Catching these four match-ups in the middle, so each will be half analysis/half prediction...Seattle Sounders FC v. Houston Dynamo (0-0 aggregate)After tying 0-0 in Seattle for the first leg, the finale will take place Sunday. The story of the first game was 90 minutes of physical brawling, I think the second leg will be the opposite: some entertaining soccer. Unfortunately for my home team, I think the seasoned, veteran Dynamo side takes care of business at home against the league rookies, winning 2-1 on a second-half goal by Brian Ching after the 70th minute.Los Angeles Galaxy v. Chivas USA (2-2 aggregate)Sunday's playoff action finally saw some goals, the the L.A. derby, which ended in a 2-2 draw might've been the best match of the round. Defensive gaffs led to most of the goals, but I think the second leg will be equally as fun. I think the Galaxy have the edge in coaching and talent, so I fully expect Landon Donovan and Co. to advance.Columbus Crew v. Real Salt Lake (RS...