Onuachu, 27, has been one of the standout centre-forwards in the Pro League since joining Genk in 2019, scoring 33 goals in 38 appearances last season.
It is hard to miss the Nigeria international, who stands six-foot-seven-inches tall and has started the current campaign strongly with three goals in all competitions.
This story has been reproduced from the media. It does not necessarily represent the position of Liverpool Football Club.