BILBAO:
Arsenal substitutes Gabriel Martinelli and Leandro Trossard pounced in the final stages to secure a 2-0 victory at Athletic Bilbao in their opener on Tuesday.
Last season's beaten semi-finalists got off to a winning start in the Basque country as they shaded a tight game at the San Mames stadium in the first of eight group matches.
Mikel Arteta's side, chasing a first major trophy since 2020 and their first ever Champions League win, ground out their victory with a typically sturdy defensive display and their late goals.
Martinelli scored in the 72nd minute, 36 seconds after coming off the bench, before Trossard added a second after 87 minutes, each setting the other up.
"We started to grow throughout the game. In the second half we were more fluent, dominant, and the finisher