Boussoufa, Gillet, Suarez, Deschacht and Legaer all scored. Mechelen's Ghomsi and Biset were both shown a red card. Anderlecht is now second behind Racing Genk. KV Mechelen are fifth.
Germinal Beerschot beat Club Brugge 2 - 1 at home on Sunday night. Geraerts was first to score for the visitors. Haroun equalised, while it was Negrao that took Germinal into a commanding lead.
Club Brugge is now in 6th place in the standings - 12 points adrift of leaders Racing Genk. Germinal Beerschot are 11th.