Manchester City's tough week ended on a high note Saturday when it won 4-0 at Blackburn Rovers to maintain its unbeaten start in the Premier League and stay level on points with Manchester United at the top of the table. Champion United also maintained its unbeaten start with a 2-0 home win over Norwich City thanks to a second half goals from Anderson and Danny Welbeck. It stays top on goal difference from City with both teams taking 19 points from their opening seven games. In the day's lunchtime kickoff, Liverpool won 2-0 at Everton in the 185th Merseyside league derby with late goals from Andy Carroll and Luis Suarez. Everton played for more than an hour with 10 men after Jack Rodwell was sent off in the 23rd minute. Newcastle United won 2-1 at Molineux to inflict a fourth consecutive league defeat on Wolverhampton Wanderers and climb to third. Aston Villa sent Wigan Athletic to a fourth successive league defeat with a 2-0 win at Villa Park while Sunderland drew 2-2 with West Bromwich Albion after trailing 2-0 inside the opening five minutes at the Stadium of Light. Perez rescues Villarreal Hernan Perez scored with a late header Saturday to rescue a 2-2 draw for Villarreal against 10-man Zaragoza in the sixth round of the Spanish league. Zaragoza twice took the lead at the Madrigal Stadium, with Luis Garcia scoring in the 34th minute and Pablo Barrera re-establishing the lead just before halftime. Giuseppe Rossi chipped a penalty to level the scores for the first time in the 41st minute and Perez found space at a corner to ensure a share of the points for Villarreal in the 84th, four minutes after Maurizio Lanzaro was sent off for Zaragoza. Also Saturday, Osasuna had a 2-2 draw at home against Mallorca, while Racing Santander drew 1-1 with Rayo Vallecano. Sochaux stuns Toulouse Modibo Maiga scored twice as mid-table Sochaux stunned third-place Toulouse 3-0 in the French league Saturday. Maiga took a pass from Loic Poujol to shoot past Toulouse goalkeeper Ali Ahamada after nine minutes. The Mali forward then headed home a cross from Marvin Martin in the 87th. Cedric Bakambu collected a pass from Martin to seal the win in the 89th. Also Saturday, it was: Lorient 2, Valenciennes 0; Caen 1, Nice 1; Saint-Etienne 1, Auxerre 1; Dijon 1, Ajaccio 1; Nancy 1, Evian 1. Roma clicks at last Roma finally found its footing under new coach Luis Enrique in a 3-1 win over an Atalanta squad that still has the best record in Serie A. Roma has now won two straight matches. The victory drew Roma level with league leader Juventus and Udinese with eight points each, although Juventus still leads on goals scored.