Robin van Persie has criticised Manchester United for "gambling on star names like Paul Pogba and Alexis Sanchez" instead of following the same blueprint Liverpool have under Jurgen Klopp.
United have endured a frustrating transitional period which has lasted longer than expected since the departure of legendary boss Sir Alex Ferguson back in 2013.
The Scot retired after guiding the Red Devils to a 13th Premier League crown, but his successor David Moyes was sacked after just 10 months.
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Louis van Gaal and Jose Mourinho also failed to restore past glories during respective stints in the Old Trafford hot seat, despite spending a fortune on a number of high-profile players.