Paul Ince said he is "sick and tired" of Ole Gunnar Solskjaer's nostalgic approach, insisting the Manchester United manager must get over Alex Ferguson in a stinging attack.
Solskjaer was permanently appointed manager last month following an impressive interim spell following Jose Mourinho's December sacking but seven defeats in nine games has raised doubts.
United were swept aside 2-0 by neighbours and Premier League champions Manchester City on Wednesday, leaving the Red Devils three points adrift of the top four.
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Ince – who won two Premier League titles and 10 trophies in total during his time in Manchester – criticised Solskjaer's approach and his determination to replicate iconic former boss Ferguson.