Mikel Arteta reveals what he told Ainsley Maitland-Niles after nonchalant spot-kick in penalty shootout win over Liverpool

Maitland-Niles was beaming after his penalty (Picture: Getty Images)



Mikel Arteta has jokingly admitted he told Ainsley Maitland-Niles that his nonchalant penalty style is going to give him heart attack as the defender casually tucked away his spo...