However, he has struggled to make an impact in Portugal and has been forced to settle for appearances off the bench.
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Sporting Lisbon midfielder Joel Campbell
Some Arsenal fans were disappointed to see Campbell leave in the summer.
But 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.
Joel Campbell has failed to impress at Sporting
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“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."