Fotomac says Everton boss Sam Allardyce is unconvinced by his £27 million forward, and could be persuaded to cut his losses on the player, who he became his first signing for the club back in January.
For his part, Tosun has stated he wants to prove himself at Goodison Park.
"I want to be a player that can help Everton to achieve what we want to achieve as a club. I am working hard to be that player," he told evertonfc.com.
"In the long term I want to win some silverware in my career at Everton.
"The first few weeks were difficult maybe for my body and the adjustment but I can feel already that I'm adapting and I'm more comfortable now."