Everton have no new injuries but could makes changes after a run of one win in 10 Premier League matches.
Ross Barkley, Aaron Lennon and Enner Valencia are among those in contention for recalls.
Gabriel is likely to come into the Arsenal side in the absence of Shkodran Mustafi, who faces three weeks out with a hamstring injury suffered against Stoke on Saturday.
Aaron Ramsey remains sidelined with a similar problem.
MOTD COMMENTATOR'S NOTES
Alistair Mann: "Had Everton not taken 13 points from their opening five games of the season, their current situation wouldn't simply be viewed with concern but as a full-blown crisis.