England boss Fabio Capello has warned his players they will be dropped if they ignore his instructions.
Reflecting on their 2-1 friendly win over Slovenia, Capello said: "At some moments I was happy but at some moments I was not happy because during training we tried some movements that I didn't see on the pitch. The mistake for me is when the players don't make the movements I ask."
Capello said he would not be ranting at his players when he addressed the problems he identified at Wembley, most notably in defence, where England at times lacked concentration.
"I have a system,' he said. 'My system. I won't shout 'no, no, no'. Sometimes I shout, but this time, absolutely not. I will explain what I want them to do. And if they want to stay with me…"