Sunderland boss Martin O'Neill is wary of asking for too much from Adam Johnson

Adam Johnson: An exciting signing for Sunderland, but needs support in the final third

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Martin O'Neill has urged Sunderland supporters not to pile pressure on summer arrival Adam Johnson.

Johnson is considered to be something of a marquee signing for the Black Cats, with the England international having made a £10million move from Manchester City.

There is no doubting the winger's creativity or his ability to produce match-winning performances, but O'Neill is wary of asking for too much, too soon.

He told the Sunderland Echo: "I'm just a little concerned that people might be expecting him to come in and be winning every game for us because that's certainly not going to be the case.

"He's a real talent, and I know he's going to be a great asset to this club.

"But he's only one player and it's a team game.

"Creatively, we have to be better and he has a part to play in that, but then so do other players.

"It's about everyone taking responsibility and working hard to make things happen."

After seeing Sunderland take seven points from their six Premier League fixtures so far, O'Neill added: "We've made a solid start to the season and I'm not unhappy with it.

"Defensively we've been solid but we need to be more effective in the final third and that's what we're all working on.

"It's still the start of the season though and I know the squad will continue to improve as it progresses."