Neymar scored his first Champions League goal in a Paris Saint-Germain jersey and assisted PSG’s second goal, by Kylian Mbappe, in a 5-0 win over Celtic, whichsuffered its worst ever home European loss. Edinson Cavani converted a penalty kick, Mikael Lustig gifted PSG an own goal, and Cavani capped the win with a divingheader.