The 19-year-old made his full Arsenal debut as one of seven changes from the side that lost 3-1 to Manchester United in the Premier League, with only Gabriel Magalhaes, Gabriel Martinelli, Granit Xhaka and Albert Sambi Lokonga holding their places.
The fee for the 25-year-old is understood to be £45m and he moves to the Emirates after undergoing medical and agreeing to personal terms. Jesus will wear the No 9 shirt recently vacated by Alexandre Lacazette, who left for Lyon on a free transfer.
At the Parc des Princes, the hosts looked to be in control when Marquinhos and Neymar gave them a comfortable first-half lead.
The hosts took the lead in the 23rd minute when Richarlison’s angled header from a Neymar corner-kick fell into the path of Marquinhos.
The Brazilian claimed he was ready to “die on the pitch”.