Manchester City manager Mark Hughes believes derby rivals United have a weaker squad than last season.
In an on-going spat between the bosses ahead of Sunday's clash, boss Sir Alex Ferguson said City's banned Emmanuel Adebayor was their "best player".
Hughes has hit back, saying United miss Cristiano Ronaldo and Carlos Tevez.
"They've lost two significant players. You can't afford to lose players of that standard and not replace them and I don't think they have," Hughes said.
With Adebayor suspended for the Old Trafford visit and former United striker Tevez doubtful with a knee injury, Ferguson said: "I am not bothered whether Tevez plays or not. City's best player won't be playing."
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