PHILADELPHIA — Elizabeth Estrada scored her first career goal, but it wasn’t enough for the La Salle women’s soccer team as it lost a 3-1 match to Bucknell on Sunday afternoon at McCarthy Stadium. With the loss, the Explorers slipped to 2-4 on the season. HOW IT HAPPENED Estrada scored her goal in the 15th minute for the Explorers by booting the ball into the top right corner to give them a 1-0 lead over the Bison. The Explorers’ advantage didn’t last long, as the Bison (3-2-1) got the equalizer three minutes after the ball they kicked bounced off the…