Sporting CP loanee Joel Campbell expects to return to parent club Arsenal this summer.
The 24-year-old has revealed there is no option of a permanent deal with Sporting and he will be back at the Emirates at the end of the season.
“There's no buying option," he said.
“I have to fulfill my loan at Sporting in the best way and then return to Arsenal."
He added: “I have given the best of myself, sometimes I play, other times not, but that's football."