The 31-year-old, who is the subject of the latest episode of UTD Podcast, joined the Reds on loan from Shanghai Greenland Shenhua last January.
With Marcus Rashford out injured at the time and United still fighting on several fronts, he quickly became a fan favourite, scoring five goals in his first four starts for the club, to equal a 95-year-old record.
Ighalo is a boyhood Reds supporter and he thinks this helped him quickly gain favour with the United faithful particularly during his first six weeks, when stadiums were still full prior to the coronavirus lockdown.