Sanchez, 28, is currently in the final year of his contract. He has been linked with a move to Paris St Germain in the current transfer window.
Cesc Fabregas and Branislav Ivanovic struck late goals to earn improving champions Chelsea a 2-1 victory at Southampton in the Premier League on Saturday.
Sergio Aguero scored five times in 20 minutes including an eight-minute hat-trick as Manchester City came from behind to thrash Newcastle United 6-1 and go back to the top of the Premier League table on Saturday.
Manchester United replaced Manchester City as Premier League leaders with Wayne Rooney ending an 11-match run without a league goal in his side's comfortable 3-0 win over Sunderland at Old Trafford on Saturday.
Samir Nasri has warned his Manchester City team mates that failure to beat Sunderland in Sunday's Capital One Cup final could derail a season that currently has them in contention for four trophies.
Chelsea were given a stiff examination by Stoke City at Stamford Bridge on Saturday before extending their lead at the top of the Premier League.
Anthony Martial introduced himself to Manchester United fans with a superb goal to complete a 3-1 win over bitter rivals Liverpool and cap a much-improved performance from Louis van Gaal's side on Saturday.
News of all that's transpired on and off the football field
Pep Guardiola says Manchester City are not yet ready to compete with Europe's elite but his side will be confident of opening their Champions League campaign with victory over Borussia Moenchengladbach on Tuesday.
Check out the top footballers of the weekend.
Luis Suarez marked his return to Premier League action with two goals to help Liverpool to a 3-1 win at managerless Sunderland that lifted them to second in the table on Sunday.
A summary of Tuesday's group matches in the UEFA Champions League.
After a Champagne Sunday, leaders Chelsea got back to the bread and butter of churning out Premier League points with Eden Hazard's header sealing a 1-0 victory at London rivals West Ham United on Wednesday.
Charlie Adam scored twice as Stoke City beat Manchester United 2-1 on Saturday to show the flailing Premier League champions it will take more than one big-money signing to improve their fortunes.
Check out the 10 most expensive transfers in British soccer history.