Is Aatrox no longer a lefty?

He wields his sword with his left hand In his movie trailer and in his splash arts. However In- game he holds his sword and engages attacks with his right hand? [zombie-brand-mindblown]

*I know most people are saying things like (who cares? Does it matter?) but its one minor detail that stands out like a sore thumb.Anyway its just an opinion of mine that i want to share, please dont get offended.