France World Cup winner Kylian Mbappe scored four goals as Paris St-Germain maintained their 100% winning start in Ligue 1 by thrashing Lyon.Mbappe's goals came in a 13-minute second-half spell, netting his first with a low strike off the post.
He slid in his second, converted a cool finish for his hat-trick and stroked home his fourth from close range.
Neymar's penalty put PSG ahead, with home defender Presnel Kimpembe and Lyon midfielder Lucas Tousart both sent off.
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Tousart was sent off for a second bookable offence on the stroke of half-time after hauling down Mbappe.
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Thomas Tuchel's side, champions in five of the last six seasons, have won all nine league games so far and are eight points clear of second-placed Lille.