It took just two minutes for Lyon to stun the runaway league leaders, and the opening goal came in some style too as Nabil Fekir caught Alphonse Areola off guard with a clever long-range free kick, curling his finish past the keeper when everyone was expecting a cross.
Turpin had overlooked a clear-looking foul on Fekir during first-half injury time, enabling PSG to win the ball and launch a counterattack concluded by left back Layvin Kurzawa's brilliant volley from 20 meters (yards) out.
In the second half, Dani Alves saw red for PSG and Memphis finally appeared from the bench with twenty minutes left.
The Ligue 1 showdown between Lyon and PSG served up an absolute treat in the goal scoring department with three cracking strikes as the hosts ran out 2-1 winners.
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"I'm very happy. It was a very important game for us", Depay said.
Marseille is one point ahead of Monaco, and Lyon trailed Monaco by one point heading into the PSG game.
Alves was only going to get a yellow card but his angry reaction provoked the referee to give him the red. Check out this strike from Manchester United flop Memphis Depay... But when the clock hit 94′, Depay dazzled the supporters and the opposition equally with his wonder goal.
Metz goalkeeper Eiji Kawashima was sent off five minutes into the second half.
Wylan Cyprien's early free-kick was enough to maintain Nice's pursuit of Ligue 1's top four as they secured a hard-fought 1-0 victory over St Etienne.