Former Manchester United defender Rio Ferdinand has blasted Arsenal for their new £63 million signing Viktor Gyokeres, calling for supporters to temper their enthusiasm following the striker's lacklustre introduction to English football.

Arsenal striker Viktor Gyokeres endured a frustrating Premier League debut at Old Trafford as the £64 million ($87m) summer signing failed to register a single shot during his side’s 1-0 win over Manchester United.

While the north London club signed the Sweden international striker in the summer transfer window, the Slovenian star moved to Old Trafford to work under Ruben Amorim

Viktor Gyokeres' comments when Ruben Amorim left Sporting CP to join Manchester United last season were very telling of the striker's own future plans, having since joined Arsenal