Serge Gnabry claims that Michael Olise absolutely surprised him with his mindset and believes the Frenchman still has a long way to go.Gnabry lavishes Olise with praise Called Frenchman one of the best in the worldWas surprised by his elite mentality Follow GOAL on WhatsApp! 🟢📱Recommended external contentVideoWe need your consent to show you content our Editorial team embedded from Video. You can toggle this (and all other embeds from Video across goal.com) on with one click only and deactivate as well.Always display Video contentI confirm that I would like to see external content. Personal identifiable data could be transferred to Third parties. Read more about it in our privacy policy.