Alexis Sanchez was not spotted among the Manchester United players who boarded a private jet to Brighton on Saturday.
Jose Mourinho led his players to the plane, eyeing back-to-back wins following a 2-1 victory over Leicester City.
Sanchez started that game at Old Trafford and recently declared he was in the shape of his life following a competition-free summer.
However, the Chilean attacker was nowhere to be seen among the travelling players on Saturday, the UK Mirror reports.
Sanchez has enjoyed a topsy-turvy time at United following a move from Arsenal in January, scoring only three goals so far for the Red Devils.