This article was originally published on www.si.com as ‘Big Responsibility’—Mikel Arteta Makes Viktor Gyokeres Demand After Slow Arsenal Start. Arsenal manager Mikel Arteta has challenged his entire squad to work together to help bring the best out of summer signing Viktor Gyökeres.

Mikel Arteta thought he wasn't good enough - Arsenal could have saved themselves millions if they'd kept him around 😱🔥

Gyokeres indeed blossomed after leaving England, enjoying two sensational seasons at Sporting Lisbon, where he netted an astonishing 97 goals in 102 appearances, securing back-to-back Primeira Liga titles and a national cup, while also finishing as the league’s top scorer in both campaigns.