Career
Onuachu moved to Danish club Football Club Midtjylland in 2012, on a scholarship, from their affiliate team in Nigeria, Ebedei. He was a prolific scorer for their youth team, and made his first-team debut in the Cup later that year, before making his league debut in December 2012. In June 2013 he signed a new three-year contract with the club, before extending it for a further three-years in August 2015.
In early 2015 he was loaned to Vejle BK, before returning to Football Club Midtjylland ahead of the 2015-2016 season.
In February 2015 he was called-up to the Nigerian under-23 national team