Atlanta held on to first place in the WUSA with a 1-1 tie with surging Bay Area. The CyberRays, who remain three points behind the Beat, extended their unbeaten streak to nine games. Dagny Mellgren’s two goals propelled visiting Boston past Philadelphia, 2-1, in other Thursday night action. July 19 in Villanova, Pa. Philadelphia 1 Boston 2. Goals: Mellgren (Lilly) 52, Mellgren (Meinert) 85; Smith (Mitts) 77. Philadelphia — Moore, Benson, Fitschen, Mitts, Tietjen (Kamholz, 87), Demko (Karvelsson, 67), Fair, Liu, McDowell (Olafsdottir, 4), Smith, Enos (Clemens, 78). Boston — Ducar, Aldama, McCann, Raygor, Sobrero, Hucles, Lilly, Omagbemi (Kemp, 84), Wiegmann, Meinert, Mellgren. Yellow Cards: Raygor 76, Meinert 90. Referee: Faith Rossi. Att.: 4,756. July 19 in Atlanta Atlanta 1 Bay Area 1. Goals: Cagle (Hooper, Parlow) 53; Bell (Little) 24. Atlanta — Scurry, N.Augustyniak (Walsh 79), Krzykowski, Nonen, Smith, Bivens, Sawa, Serlenga, Burt (Walbert-Cagle 51), Hooper (Gragg, 89), Parlow. Yellow Card: N. Augustyniak 50. Bay Area — Beene, Alagich, Bryan, Chastain (Cook 57), Clark (Jeidy 82), Dorn, James (Nanez 31), Sissi, Venturini, Bell (Katia 42), Little. Referee: Rachel Woo. Attendance: 7,923.