Michy Batshuayi headed a stoppage-time equaliser to rescue a point for 10-man Marseille in a 1-1 home draw against St Etienne.Belgium international striker Batshuayi struck in the fourth minute of time added on after Kevin Monnet-Paquet's 85th-minute goal appeared to have secured the points for the visitors.Marseille played out the last 30 minutes with 10 men following defender Nicolas N'Koulou's crude challenge from behind on Vincent Pajot and the visitors looked to have made their advantage pay when Monnet-Paquet drilled home a low shot from inside the penalty area.But deep in added time Batshuayi headed home Romain Alessandrini's free-kick to snatch a point for Marseille and take his goals tally to 16 for the season.