West Bromwich Albion will take on Aston Villa away from home at The Hawthorns in the Premier League on Saturday afternoon.
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 had scouts watching Anderlecht take on Club Brugge.
West Ham United would be a distinctly different experience from Napoli for Rafael Benitez - but one that he could be well suited to.
Forgotten Parma striker Ishak Belfodil has scored his first goal in 700 days but it's West Ham fans who will be most interested in the news.