The Bhoys' goal-getter will be sad to see Deila go.
Tottenham Hotspur overcame Stoke City earlier this week.
Rafa Benitez takes his Newcastle United side to former club Liverpool at the weekend.
Helan was summoned back to Hillsborough after two months at Molineux.
Villa host the South Coast side in the Premier League this week.
Newcastle's away form has been dire this season.
Everton were beaten 4-0 by Liverpool at Anfield yesterday.
The 30-year-old Colombian striker was linked with a move to Columbus Crew SC in January.
The Hoops skipper has not enjoyed his best spell since returning from injury.
Julian Speroni started for Crystal Palace against Manchester United last night, and Sheffield Wednesday midfielder Barry Bannan was delighted.
Citigroup said it will no longer break out results for Citi Holdings after this year.
Stuart Gulliver, chief executive officer of HSBC, will stand down in two years as the bank replaces its top leadership, according to the Sunday Times.
UBS is now expected to pay $69.8m to resolve a U.S. regulator's lawsuit alleging it sold toxic mortgage-backed securities to corporate credit unions that later failed, according to a Friday court filing.