Not seen much from Cristiano Ronaldo so far.
He's always lurking though and primed to spring into action.
Tyrell Malacia tries to pick him out with a cross, but Sheriff skipper Stjepan Radeljiu0107 is well-placed to head clear.
A first big chance falls to Michail Antonio, but his low strike to the left of goal is well saved by Silkeborg goalkeeper Nicolai Larsen.
West Ham are dialling up the pressure.
Pablo Fornals dribbles at the Silkeborg defence but there's a miscommunication as he tries to pull the ball back for Manuel Lanzini, who is not where Fornals had hoped he would be.