A clever set piece brilliantly finished by Munir gave record winners Sevilla a 1-0 home victory over West Ham on Thursday to keep them on track for a Europa League final in their own stadium. Sevilla will travel to London for next week’s last 16 second leg narrowly ahead from an end-to-end game which saw both sides make chances. But the only goal came on the hour mark when Munir lurked at the back post and coolly half-volleyed Marcos Acuña’s free kick into the far corner of the net. Sevilla have won six UEFA Cup/Europa League titles and with May’s final in their own Ramón Sánchez Pizjuán Stadi…