Laurent Koscielny and Petr Cech back for the Gunners' trip to the Liberty Stadium.
Schneiderlin completed a £24m move to Goodison Park on 12 January.
Manager is yet to decide whether to play Nathan Ake at Leicester.
Manchester City skipper in line to return after missing eight weeks with a knee ligament injury.
Marcos Rojo was taken off with a muscular injury last Saturday.
Koeman is keen to do more business this month as he attempts to shake up his squad.
Both players train ahead of clash at Old Trafford with Jurgen Klopp hoping both can be involved.
From its capital named after slaves to a president who loves rapping, IBTimes UK checks out peculiar facts about Gabon.
New deals for three players including Olivier Giroud can tempt others to stay, says Wenger.
Two late goals from Sergio Ramos and Karim Benzema helped Los Blancos to get a draw.
Suspended Chelsea captain has made just eight appearances to date during an injury-riddled campaign.
Arsenal and Manchester City have also been linked with his services in recent weeks.
Tony Pulis hasn't given up hope of holding on to Saido Berahino.
Gunners boss expects Carl Jenkinson to leave amid reports Crystal Palace have lodged a £3m bid.
Swansea have lost three of their last four home games against Arsenal.
The Manchester United star hails Barcelona ace as "the future and the present" of football.
Barcelona are looking to return to winning ways in La Liga after Villarreal stalemate.
Liverpool have failed to score in their last two games.
Host nation Gabon will face Guinea-Bissau in the first match of the 2017 Afcon.
Depay, 22, has made only four league appearances for United this season.
Lallana has scored 7 and assisted 7 thus far this season.
Manchester United and Chelsea are reportedly interested in Van Dijk.
United have won their last nine matches played in all competitions.
Slaven Bilic has confirmed Payet has refused to play for West Ham United.
Ivory Coast are the defending champions of the African Cup of Nations.
Belgian joined Sunderland on a season-long loan last summer.
Spurs host Tony Pulis' side on Saturday following 2-0 win over Aston Villa in FA Cup.
Champions host Chelsea at the King Power Stadium on Saturday.
French midfielder becomes Everton's second signing of the January window.
United are currently enjoying a nine-game winning streak but still occupy sixth in the Premier League.