Manuel Ugarte was back in action for Uruguay on Tuesday night, but there will be a concern. For Manchester United, the signing of Manuel Ugarte has yet to really show itself to be the correct one after his early season struggles. Despite being a £42m arrival, Ugarte has struggled at United so far and pundits have already been writing the Uruguayan off. The lowest moment of his time at United so far will be when Erik ten Hag left Ugarte out against Porto and Aston Villa. Ugarte impressed for his country against Peru, and now against Ecuador to round out the international break, he has once agai…