Richie Wellens says Leicester City are benefitting from England prospects Curtis Davies and Kyle Naughton.
Davies is on-loan from Aston Villa, while Naughton has joined from Tottenham.
Wellens said: "Kyle and Curtis are top players. We don't need to give them a month to settle, they're proven at this level.
"They're English lads and have slotted straight in. And their quality raises the performance of those around them."