Salah back in Liverpool squad but may not be risked at Genk, says Klopp
Belgian lower-league defender Tim Nicot, 23, died on Monday after suffering a heart attack during a friendly on Saturday, the second such death in Belgium in two weeks.
Towering goalkeeper Thibaut Courtois, who joined Chelsea from Belgian champions Racing Genk earlier this month, is to spend this season on loan at Atletico Madrid.
Belgium under-21 international Gregory Mertens died on Thursday, three days after collapsing with heart failure during a match, a spokesman for his club, Lokeren, said.
Schalke 04 hit back from two goals down to draw 2-2 and overcome fellow Germans Borussia Moenchenglach on away goals in their Europa League last 16 tie while Manchester United edged Rostov 1-0 to progress on Thursday.
Europa League favourites Manchester United secured a 1-1 draw on a threadbare pitch at Rostov, while Olympique Lyonnais beat AS Roma 4-2 helped by a fine individual goal from Nabil Fekir in their last 16, first leg ties on Thursday.
Lazio won 2-0 at Legia Warsaw on Thursday to qualify for the Europa League knockout stages after a tie marred by violence when Italian fans fought with Polish police on the way to the stadium.
News of all that's transpired on and off the football field
Manchester United's woes deepened as stunning goals by Moussa Sow and Jeremain Lens gave Fenerbahce a 2-1 Europa League win on Thursday that left Jose Mourinho's side facing a battle to reach the knockout stages.
A round of Wednesday night's Champions League group stage matches.
Galatasaray win 22nd Turkish title after beating closest rival
A round-up of Wednesday's night's UEFA Chmpions League matches.
Summary of sports events and persons who made news on Saturday
A summary of Thursday's matches in the Europa League.
A weekend of surprise results across Europe's big leagues saw Bayern Munich's unbeaten run come to an end, Napoli knocked off top spot in Serie A and Manchester City toppled in the Premier League where Leicester City are the new leaders.
Paris St Germain will play Borussia Dortmund and Barcelona were pitted against an unpredictable Napoli, while Chelsea were drawn against Bayern Munich. City, who will be at home in the second leg, have yet to beat the Spanish side with two draws and two defeats in their previous four meetings.
Philippe Coutinho inspired Liverpool to a comfortable 3-1 home win over Everton in the 228th Merseyside derby on Saturday to move provisionally up to third in the Premier League.