 Ighalo na di third player wey Manchester United sign for dis January transfer window , afta dem sign Bruno Ferdes from Sporting Lisbon and Southend goalkeeper Nathan Bishop .  B-PER O O O B-ORG I-ORG O O O B-DATE O O O B-PER I-PER O B-ORG I-ORG O B-ORG O B-PER I-PER O 