Mikel Arteta praises 'magic' substitutes Kai Havertz and Gabriel Martinelli for decisive impact as Arsenal strike late to down Sporting CP in Champions League quarter-final first leg | Goal.com UK

Mikel Arteta has hailed the impact of his Arsenal substitutes after Kai Havertz and Gabriel Martinelli combined to secure a dramatic 1-0 victory over Sporting CP. The Gunners looked set for a frustrating night in Lisbon before the duo entered the fray to hand the Premier League side a vital edge in their Champions League quarter-final tie.