Rayo Vallecano will not score first in Seville on August 15, 2026 and the Ramón Sánchez Pizjuán Stadium will see Sevilla or nobody set the tone in the 2026/27 La Liga opener. Sevilla will lean on its home advantage after the teams' March 8, 2026 1-1 draw where Pacha Espino scored in the 50th minute…