Manchester United manager Sir Alex Ferguson does not believe referee Mark Clattenburg used inappropriate language towards Chelsea players last weekend.
Ferguson claims he has received no reports for 15 years from players accusing a referee of swearing.
Santi Cazorla says Arsenal must strive to dominate possession if they are to beat Manchester United on Saturday.
Arsenal return to Old Trafford for the first time since their 8-2 drubbing last season.
Manchester City boss Roberto Mancini claims unnamed enemies are trying to undermine his position at the club.
The Italian says some people will be happy with City's failings in the Champions League so far this season.
The Football Association are set to discover the fate Tottenham defender Steven Caulker and Leeds centre-back Tom Lees over criminal charges.
The England under-21 duo, along with coach Steve Wigley, have been charged for their actions after the victory against Serbia last month.