The ex-Gunners defender knows his former side face a tough task against a Hammers side with "plenty to play for".
Southampton and Newcastle United will face each other in the Premier League on Saturday.
Brighton & Hove Albion boss Chris Hughton has been linked with the Aston Villa managerial job.
West Ham United and Arsenal will face each other in the Premier League on Saturday.
A look at how Morgan Schneiderlin and Eric Dier compare ahead of Manchester United's visit to Tottenham.
The Danish international has not featured for Leeds in 14 months.
The Gers skipper has hailed the quality and attitude of Southampton midfielder Steven Davis, whom he played alongside for a season.
West Ham have joined the race for Leeds goalkeeper Bailey Peacock-Farrell.
If Everton fire Roberto Martinez, should Aston Villa make a move?
The West Ham goalkeeper is delighted with the bond he has developed at Upton Park.
The Peruvian legend is currently a free agent after leaving Al Jazira.
The Bournemouth player is set for a January exit and Tottenham Hotspur should move quickly.
And even then it will be paid out over 5 years.
Tottenham fans of firm belief Manchester United ace Marcus Rashford is not in Harry Kane's league.
Lex Immers has claimed that he snubbed Celtic in order to join Club Brugge.
Middlesbrough and Newcastle United are said to be keen on the winger, who has struggled to make an impression at Crystal Palace.
And 2017 looks to have got off to a decent start.
HITC Sport understands a bid is imminent from Premier League outfit
Leeds United have had a closer look at three potential new players.
Newcastle United are believed to be interested in signing Crystal Palace winger Andros Townsend.
The Portuguese keeper is wanted in England but may end up with Sporting
JPMorgan Chase shareholders are proposing the firm consider requiring an independent chairman, and they asked the bank to review whether divesting non-core businesses would improve returns.
One of five former Barclays traders accused of rigging benchmark interest rates told regulators that his bosses, including the investment bank’s chief operating officer Mike Bagguley, must have known about the manipulation, U.K. fraud prosecutors said at a London trial.