LOS Rojiblancos and Los Azulgranas have been facing each other in LaLiga Santander for decades and here’s all you need to know about how this rivalry has developed through the ages. LaLiga Santander Matchday 30 preview Five reasons not to miss this weekend’s crunch clash Griezmann and 10 other LaLiga stars who left and then returned to their previous clubs The rise of Samuel Chukwueze continues The Xavi vs Simeone rivalry has moved to the dugouts Since LaLiga Santander began in 1929, Atlético de Madrid and FC Barcelona have faced each other a total of 170 times in league matches,…