Chicago became the second team to clinch a playoff berth with a 1-0 win over San Jose at Spartan Stadium in a battle of division leaders. Miami, the first team to clinch a playoff berth, extended its unbeaten streak at Lockhart Stadium to 13 games with a 4-2 win over Dallas. Los Angeles took over first place in the Western Division ahead of San Jose with a 5-1 win over Tampa Bay. New England moved within two points of the Burn in the battle for the final playoff berth with a 2-1 win over D.C. United. Aug. 18 in Foxboro, Mass. New England 2 D.C. United 1. Goals: Chronopoulos (Williams, Heaps) 9, Chronopoulos (Williams, Cate) 30; Armstrong 32. New England — Fernandez, Allnut, Pierce, Wright, Heaps, Franchino, Chronopoulos, Alvarez, Sunsing (Okoh, 64), Cate, Williams (Cullen, 87). D.C. United — Ammann, Nelsen, Kamler, Pope, Vermillion (Quaranta, 59), Etcheverry, Talley, Armstrong, Lisi (Wood, 82), Conteh, Moreno. Yellow Cards: New England — Heaps 12, Williams 33; D.C. United — Moreno 34, Pope 44, Conteh 58, Kamler 69, Nelsen 86. Red Card: D.C. United — Talley 92+. Referee: Terry Vaughn. Attendance: 15,226. Aug. 18 in Ft. Lauderdale, Fla. Miami 4 Dallas 2. Goals: Pineda Chacon (Simmonds) 36, Preki (Bishop) 51, Pineda Chacon (Torres, Mastroeni) 78, Henderson (Rooney, Asad) 90; Kreis (Korol, Martinez) 23, Deering (Dade) 56. Miami — Rimando, Dunseth, Mastroeni, Marshall, Bishop, Alavanja, Rooney, Pineda Chacon (Bilyk, 89), Henderson, Simmonds (Torres, 68), Preki (Asad, 82). Dallas — Jordan, Farrer, Dade, Kubik, Broome, Deering, Martinez (Evans, 83), Pareja, Rodriguez, Kreis (Johnson, 81), Korol (Graziani, 59) Yellow Card: Dallas — Dade 68;. Referee: Paul Tamberino. Attendance: 9,750. Aug. 18 in San Jose San Jose 0 Chicago 1. Goal: Marsch (Bocanegra, Stoitchkov) 8. San Jose — Cannon, Agoos, Conrad, Ibsen (Agogo, 67), Barrett, Corrales, Russell (Bower, 83), Lagos, Mulrooney, Donovan, Cerritos (DeRosario, 78). Chicago — Thornton, Whitfield, Brown, Bocanegra, Nowak, Gutierrez, Beasley, Marsch, Armas, Kovalenko (Curtin, 87), Stoitchkov (Daniv, 60). Yellow Cards: San Jose — Russell 81; Chicago — Bocanegra 16, Gutierrez 52, Marsch 77, Thornton 87, Nowak 90, Armas 92+. Referee: Brian Hall. Attendance: 10,877. Aug. 18 in Pasadena, Calif. Los Angeles 5 Tampa Bay 1. Goal: Vanney (Jones) 18, own goal (Addo) 21, Victorine (Quijano, Elliott) 29, Jones (Waibel) 79, Victorine (Hendrickson, Elliott) 81; Ralston (Barclay, Curtis) 4. Los Angeles — Hartman, Hendrickson, Califf, Vanney, Caligiuri (Waibel, 59), Elliott, Cienfuegos (Bardales, 78), Vagenas, Victorine, Quijano, Jones (Frye, 81) Tampa Bay — Brown, Trittschuh, Addo, Maessner, Denton, Pena, Keller, Jair, Curtis (Kartes, 72), Ralston, Barclay (Diallo, 63). Yellow Cards: Los Angeles — Vanney 24, Quijano 44; Tampa Bay — Keller 14. Referee: Kevin Stott. Attendance: 12,115.