The West Brom forward hasn't been at his best recently.
Everton drew 0-0 with Crystal Palace at Selhurst Park yesterday.
Manchester United's win over West Ham means they will face Everton at Wembley in nine days' time.
The Arsenal teenager has enjoyed a remarkable breakthrough at the Gunners in recent weeks.
The Hammers were beaten 2-0 by Manchester United on Wednesday to exit the competition.
The Belgian won three league titles during his time with the Eredivisie side.
Kenny Jackett has faced a great deal of criticism from Wolverhampton Wanderers fans this season.
Dwight Gayle was handed 45 minutes to impress for Crystal Palace against Everton yesterday.
Sunderland are currently four points adrift of safety in the Premier League.
Leigh Griffiths says Colin Kazim-Richards's temperament could be an asset for him in Celtic's Scottish Cup clash with Rangers.