FC Barcelonaās Lionel Messi and Real Madridās Cristiano Ronaldo are both goalless in two weeks of La Liga action. Should fans be concerned? This is the first time, since the Messi and Ronaldo rivalry began in 2009, both players have taken part in two consecutive La Liga games and failed to provide a goal or an assist. The Argentine had his chance from the penalty spot in Barcelonaās first league match against Athletic Bilbao, but the 28-year-oldās shot was saved. In Saturdayās match against Malaga, Messi did not have any real impact, with the Catalan club only winning the fixture 1-0. Ronaldo looked lively against Real Betis on the weekend, and although he had many attempts at goal, he did not hit the back of the net again, having failed to do so in Los Blancos' first La Liga game of the campaign against Sporting Gijon. Comparing Ronaldo and Messiās start to last seasonās first two league games, the Portuguese had already scored one, while the Argentine had found the net twice and...