Javier Mascherano signed for West Ham in 2006, and played just five games.
The Belgian has been in fine form for the Blues so far this season.
Rangers striker Martyn Waghorn played with Manchester United and Chelsea-linked Jamie Vardy at Leicester City.
Tottenham Hotspur and AS Monaco clash later this week.
Leeds United defeated Hull City 2-1 at Elland Road in the Championship on Saturday afternoon.
Celtic manager Ronny Deila has failed to guide his side to European success in two seasons.
The ex-Aston Villa, Birmingham City and West Bromwich Albion man skippered Portland to MLS Cup victory on the weekend.
Queens Park Rangers are set to host Burnley on Saturday.
Ivan Toney's loan spell at Barnsley from Newcastle United has been extended until January.
The Everton forward scored his 50th goal for the club against Crystal Palace on Monday evening.