LONDON :Manchester City have been on some extraordinary runs during their last four seasons of Premier League domination but the one that continued with a 2-1 defeat at Aston Villa on Saturday has been scarcely believable. Pep Guardiola's free-falling side have looked invincible at times in recent years, but slipped to a ninth defeat in 12 matches in all competitions as the crisis that has suddenly engulfed City deepened. Goals either side of halftime by Jhon Duran and Morgan Rogers put Villa