LAFC’s Eduard Atuesta, center, controls the ball ahead of Houston’s Jesus Ferreira, right, during LAFC’s 3-1 loss on Saturday. Petar Musa scored a first-half goal, rookies Patrickson Delgado and Logan Farrington scored two minutes apart in the second half and FC Dallas earned a 3-1 victory over LAFC on Saturday night. Musa netted his 15th goal in his first season …