English Premier League. West Ham United are understood to have lodged a competing inquiry over Caicedo's availability following the teenager's October elevation to Ecuador's World Cup qualifying team.
In addition to the €6m guaranteed fee, Independiente are asking for 20 per cent of any future sale. Caicedo has already played four times for Ecuador, scoring once, and established himself as a central figure in his domestic and Copa Libertadores campaigns.
Used in either a holding role or as a box-to-box midfielder, his high-energy game and aggressive pressing would fit Ole Gunnar Solskjaer 's preferred game plan.
United's interest in the player follows the commitment of substantial transfer fees on two teenage wingers in the extended summer.
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