Diego Costa scored four goals as Atletico Madrid embarrassed Real Madrid. © AFP Diego Costa scored four goals as Atletico Madrid embarrassed La Liga rivals Real Madrid 7-3 Friday in a pre-season friendly at MetLife Stadium. Costa had a hat-trick by halftime and added one more goal before he was sent off in the 63rd, when both teams were reduced to 10 men after a testy shoving match. The first meeting outside of Europe between the Madrid rivals proved a dismal night for Zinedine Zidane’s Real Madrid, who saw Serbian starlet Luka Jovic hobble off after an awkward collision with Atletico keeper Jan Oblak in the 24th minute.Zidane can only hope the news on his injury will be better than that on Marco Asensio, who could miss most if not all of the La Liga season after rupturing a knee ligament against Arsenal on Tuesday.Portuguese 19-year-old Joao Felix, signed from Benfica this month for 126 million euros ($142 million), scored his first goal for Atletico, and helped set up two more.Angel Correa also scored for Atletico, who had run the score to 5-0 at halftime and 6-0 before Real Madrid got one on the scoreboard before a packed house at…