Chelsea kicked off Champions League title defense with minimal win.
The fight in Group H ended with a minimal but expected victory for Chelsea.
Few doubted that the UEFA Champions League trophy winner would cope with his first group stage rival.
The only question was with what advantage will the team of Thomas Tuchel win?. Lukaku and company decided that one goal was enough for them..
Chelsea 1-0 Zenit Goal: Lukaku, 69.
Chelsea: Mendy - Azpilicueta (Silva, 83), Christensen, Rudiger - James, Kovacic, Jorginho, Marcos Alonso (Chellwell, 83) - Mount (Loftus Chick, 90 + 3), Zieh (Havertz, 63) - Lukaku.
Zenit: Kritsyuk - Sutornin, Barrios, Chistyakov, Rakitsky (Circular, 88), Douglas Santos - Malkom (Dzyuba, 75), Wendel (Erokhin, 75), Kuzyaev (Kravtsov, 82), Claudinho (Mostovoy, 88) - Azmun.
Warnings: Azpilicueta - Rakitskiy.