Manchester United have grown since the arrival of Bruno Fernandes and Odion Ighalo while becoming more "resilient", says Ole Gunnar Solskjaer.
Fernandes completed a long-awaited €55 million (£50m/$63m) move to United from Sporting CP on January 30, with Ighalo joining him at Old Trafford a day later on loan from Shanghai Shenhua.
The Portuguese has proven an instant hit in Manchester, scoring nine goals and laying on eight assists in his first 18 appearances, making the transition from the Primeira Liga to the Premier League seamlessly.
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Ighalo, meanwhile, has impressed in a back-up striker role for the Red Devils, scoring five goals in four starts while proving himself as a useful target man and extra option in the final third for Solskjaer.