Gregory Mertens, Lokeren and former Belgium under 21 defender, has died after suffering a heart attack on the pitch during a game against Genk on Monday. He was only 24.
Reminiscent of the heart attack of Fabrice Muamba of Bolton during a game against Spurs a few years ago, only, sadly, this time without a happy recovery.
BBC Sport - Gregory Mertens: Ex-Belgium U21 player dies after collapse