Allen has struggled to regular game time for the Reds recently, but has found his scoring touch on his last two outings.
The academy graduate left Elland Road for West Ham earlier this week.
The 19-year-old made his debut for the Hammers during a Europa League game at the start of this campaign.
Well, this is very cheeky isn't it! We reckon he'll have picked up his P45 after this.
Steve McClaren's side travel to Vicarage Road on Saturday.
The 26-year-old winger is reportedly in talks about a January move to the Liberty Stadium.
Wolverhampton Wanderers are on the hunt for a new striker following Benik Afobe's move to Bournemouth.
Mauro Zarate move from West Ham United to Fiorentina yesterday.
Chelsea interim manager Guus Hiddink addressed the media ahead of his side's short trip to take on Arsenal in the Premier League this weekend.
Sunderland have already been active in the January transfer window.
Chelsea and Tottenham Hotspur will face each other in the FA Cup this weekend.
Everton are believed to be in competition with Manchester United for Burnley defender Michael Keane.
Spurs and Chelsea both wanted Willian in 2013, with the Brazilian choosing Stamford Bridge.
Costa has excelled for West Bromwich Albion's fierce rivals Wolverhampton Wanderers this season.
Leeds United are listed among the contenders to sign Barnsley's Marley Watkins this summer.
It was going to be like joining Goldman Sachs - without going attending all the interviews.
After an impressive performance against Manchester United, West Ham and Celtic may be regretting not signing Kara Mbodj for a bargain price.
Tottenham Hotspur and Chelsea go head-to-head this weekend.
Liverpool have climbed from fifth- to second-favourites in the race to sign the Hull City defender, leapfrogging rivals Everton among others.
Chris Wood is in the form of his life at Leeds United - perhaps West Brom should have given him more time.
An eerie chill has settled over the 2016 Australian Open. And it is not just the changing weather that has persuaded players to turn up their collars against further unpleasant developments on day four.
As energy prices and Chinese stock markets sink, Citigroup can weather the storm, CEO Michael Corbat said.
Barclays and Deutsche Bank, both in the midst of overhauling their investment-banking operations, are facing an even tougher slog to boost profitability as market turbulence threatens to undermine revenue.