Sergio Aguero recorded a hat trick to help defending English Premier League champ Manchester City rout visiting Chelsea 6-0. It was Chelsea’s worst loss in 28 years. City regained the top spot in the league standings, overtaking Liverpool on goal differential . ... Defending La Liga champ Barcelona settled for a scoreless draw against visiting Athletic Bilbao. Barca holds a six-point lead over Real Madrid, which moved past Atletico Madrid into second with a 3-1 win in the capital derby Saturday. .