Luka Modric scored a wonderful goal as defending champions Real Madrid beat Celta Vigo in La Liga.   Karim Benzema gave Real the lead but Iago Aspas equalised - both penalties following handballs - before Modric found the top corner from 25 yards from David Alaba's pass.     The Croatia midfielder, 36, then played a through ball to Vinicius Jr, who raced away and rounded goalkeeper Agustin Marchesin before slotting in.   Federico Valverde drilled in a fourth.   Real won a second penalty late on but Eden Hazard, who had only been on the pitch for