Arteta hails impact of Gunners' hungry 'finishers' Martinelli and Trossard

In Martinelli and Trossard, Arsenal may just have found the perfect model for navigating Europe’s hardest nights.

TELLING IMPACT: Leandro Trossard of Arsenal celebrates scoring his team's second goal with Gabriel Martinelli. Pic: David Ramos/Getty Images

Champions League: Athletic Club 0 Arsenal 2

On a raucous night in Bilbao, Mikel Arteta hailed the impact of his substitutes after Gabriel Martinelli and Leandro Trossard came off the bench to deliver Arsenal a hard-fought opening winin the Champions League.