Sam Allardyce admits he is worried by Blackburn's league position at the midway point of the season.
Rovers travel to Manchester City tonight lying 13th in the Barclays Premier League table but just three points away from the relegation zone.
Blackburn have overcome defensive problems early in the campaign which saw them beaten 6-2 at Arsenal and 5-0 at Chelsea, but it is the team's poor goal return which has emerged as a bigger concern.
"It's a big worry because I didn't think it would be this close from our point of view, based on our performances over the last 20 games," Allardyce said.
"But unfortunately we haven't scored enough goals - there are 10 games this year that we haven't scored in. That shows you our problem really."
He added: "We have not done so bad really, clean sheet-wise - we have got four in the last 10 (league) games having had a particularly poor run in the first 10.
"We seem to have put that right a little bit but not got enough goals to clinch more victories, so instead of winning five in the last 10, we have only won two and drawn five, and that's the massive difference that you then get in the league situation.
"We must put that right. We haven't won in eight and it's very close to being very good, but unfortunately draws are not enough.
"We need to get some wins and we need to get them very quickly. That is going to be very difficult at Manchester City but not impossible, so a positive result is what we will look for."
City go into the match off the back of three wins and three clean sheets since Roberto Mancini took over as manager, and Allardyce believes the Italian has made a point of tightening up the team's back line.
"I think they are probably a little more defensive," Allardyce said. "I think he has had a look and thought even though they have only lost two (matches all season), they have drawn so many games because they haven't managed to keep the clean sheet.
"If they had done that they would have won more games rather than drawn them, where it's the opposite for us - we've not scored enough. They have always managed to score with the talent they have got but they have been a little open and lost some very important leads to end up drawing. I think he's put that right."
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