Besiktas coach Senol Gunes is frustrated with the form of Everton midfielder Dele Alli.

After an initially bright start in Turkey, Alli has failed to score or notch an assist in any of his last five games.

Gunes said: "I couldn't affect the players [yet], now I can easily touch them, but we haven't touched Dele Alli yet.

"Let's not discuss Dele Alli as a player, but he is below expectations in terms of efficiency."

Alli moved to Besiktas on loan from Everton in the summer in the hopes of reigniting his career. If the 26-year-old can find some form and inspire his club back into Europe it may convince them to trigger the £6m purchase clause built into the loan deal.