By Toby Prince
Onazi scored in the 22nd minute from a Felipe Anderson delivery to equalise for the Biancoceleste after the visitor had taken a shock lead in the sixth minute.
Wesley Hoedt and Lucas Biglia increased the home team’s advantage but Kevin Monnet-Paquet’s calm chip ensured a tense finish for the Olympico outfit.
Stefano Poli’s men hung on for a remarkable win which takes them top of Group G.
Results
Rosenborg 0-1 Dnipro
Lazio 3-2 Saint-Etienne
Besiktas 1-1 Sporting CP
Monaco 1-1 Tottenham
Sparta Prague 2-0 Apoel Nicosia
Schalke 04 3-0 Asteras Tripolis
Qarabag FK 1-0 Anderlecht
Basel 2-0 Lech Poznan