Everton centre-back Michael Keane has been in good form for the Toffees over the past year.
Keane has developed hugely under Silva’s leadership, after what was a difficult first season at Goodison Park.
But there are still areas of his game that Keane wants to work on to make sure he improves further.
And Keane has revealed that Silva has spoken to him about being more pro-active in his defending for Everton.
“That is something I have been spoken to about and want to work on,” Keane said.
“I want to get in people’s faces a bit more – at the right time.
“You can’t do it all the time, because the forward might pick you off and play one-twos around you.
“You have to be careful and choose the times when you can do it.
“I think it gives the team a big boost if the ball comes back to the halfway line and one of the centre halves can get tight, win it and set us on the counter.”
Everton started the season defending brilliantly, and kept clean sheets in their first two league games, but they have looked more ropey at the back recently.
The Toffees have conceded six goals in their last three matches, and Silva will want his side to tighten up after the international break.
Keane could have a chance to start for England over the coming days, which could boost his confidence.
The £30 million (BBC Sport) centre-back is part of the Three Lions’ squad who will take on Bulgaria and Kosovo.
Everton are next in action against Bournemouth, when they do return to action in two weekends’ time.
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