Former U.S. U15, U16, and U18 international Juan Pablo Torres has signed with Belgian side Sporting Lokeren, the club has announced.
Belgian defender Gregory Mertens died on Thursday, three days after collapsing while playing for Lokeren's reserve side.
The 24-year-old player has been kept in a coma as doctors continue to give him emergency treatment.
Lokeren defender Gregory Mertens is in a critical condition after suffered a suspected cardiac arrest during a match.
M'Baye Leye scored the only goal of the game as Lokeren condemned Metalist Kharkiv to a sixth consecutive defeat in Europa League Group L.
Hull's first Europa League campaign ended in disappointment at the playoff stage after a vital away goal for Lokeren saw the Belgian side through at the KC Stadium.