UEFA Technical Observer Michael O'Neill explains how Aston Villa changed their gameplan in pursuit of a comeback UEFA Champions League quarter-final victory against Paris.

Playing in the Champions League every year is not essential to the club’s business model. That said, competing in Europe remains crucial. It enables Villa to maintain a large, competitive squad capable of challenging in the league, domestic cups, and continental tournaments.

Follow the action live as Aston Villa look to overturn a two-goal deficit against Paris Saint-Germain and reach the semi-finals at Villa Park