Everton have brought in Andre Gomes on loan from Barcelona, and the midfielder has impressed for Marco Silva's men.
Everton lost to Liverpool at Anfield in the Merseyside derby on Sunday.
Bernard joined Everton in the summer transfer window.
Everton raised eyebrows when they paid Premier League rivals Watford a club-record £50m for Brazil forward Richarlison.
Everton played out a goalless draw with Chelsea in the Premier League on Sunday.
Bernard and Theo Walcott have made Marco Silva's Everton much more exciting in the new Premier League season.
Liverpool and Manchester United reportedly want Arsenal midfielder Aaron Ramsey.
Tosun scored his first goal of the season as Everton beat Fulham on Saturday.
Kevin Campbell expects Cenk Tosun to have a huge season.
Richarlison joined Everton in the summer transfer window.