Arsenal must overcome two - goal deficit to knock out relegation on Tuesday . No team has ever lost by three goals in either leg and gone on to win the tie . Arsene Wenger is up against the French club he managed for three years .
Arsenal must overturn two-goal deficit to knock out Monaco on Tuesday . No team has ever lost by two goals in home leg and gone on to win the tie . Arsene Wenger is up against the French club he managed for seven years .