By Jude Summerfield Kylian Mbappe’s first two goals in La Liga helped Real Madrid claim a much-needed victory over Real Betis on Sunday night. Los Blancos had fallen behind Barcelona in the title race after drawing two of their opening three games but the France captain raced through to finish in the 67th minute before converting a penalty when Vinicius Junior was taken out by goalkeeper Rui Silva. The result takes Madrid back up to second, four points behind Clasico rivals Barca at the top. How the game unfoldedA quiet start eventually sparked into life when Betis stopper Silva was forced int…