Borussia Dortmund and Liverpool will face each other in the Europa League this week.
Walker had given the away side the lead at Parkhead.
Leeds United are set to host Queens Park Rangers tomorrow evening.
The Swans find themselves 10 points clear of safety, after an impressive come-from-behind draw against Stoke City at the weekend.
Leicester City beat Southampton 1-0 at the King Power Stadium.
The ex-Stoke City man netted his first league goal since 2012 in Sunday night's 4-1 victory over the Portland Timbers.
Mauricio Pochettino's men have just six games to catch the leaders.
Everton lost 1-0 to Manchester United at the weekend.
Matt Miazga says he has never played in an atmosphere as toxic as that at Villa Park, and sympathises with his USA compatriot Guzan.
Lee Cattermole came in for Jack Rodwell in Sunderland's match against West Brom at the weekend.
Pankil Patel, an electronic trading executive at Credit Suisse, has left the firm, a person familiar with the matter said.
A stress specialist has urged bosses to tackle habitual poor time keeping among employees, saying it’s an underreported issue that’s draining UK productivity.
Navinder Singh Sarao, the British trader accused of contributing to 2010's flash crash, will find out on Wednesday whether or not he has won his battle to avoid being extradited to the US.