Son Heung-Min had two goals, Denis Bouanga scored his 23rd goal of the season, and Los Angeles FC beat St. Louis City 3-0 on Saturday night for its fourth win in a row. LAFC (15-7-8), which has outscored its opponents 15-4 during its four-game win streak and has one loss in its last eight games, has 53 points, one behind third-place Minnesota in the Western Conference. St. Louis (7-18-7) was eliminated from playoff contention.