And despite training on Thursday, Neymar was left out of the 18-strong squad named on Friday evening for the clash at the Stade de la Mosson.
With the world's most expensive player on the sidelines to ensure his fitness for Tuesday's Champions League clash against Bayern Munich, PSG were uninspiring in attack against a stubborn Montpellier side playing in a 5-4-1 formation.
The Uruguayan is under contract until 2020, but with growing problems in the dressing room, it looks likely the striker could be offloaded soon.
PSG's striking duo had an altercation when a penalty was awarded in the 2-0 victory against Lyon. There is a lot of competition for places in the PSG team, and it has led to discontent with Cavani in particular.
"Edinson Cavani and Neymar found themselves in a calm atmosphere after their altercation on Sunday night against Lyon following of the penalty drama".More news: Small North Korea quake likely natural, not nuclear test, experts say
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"Both players are capable of taking them". He however forced two saves from Benjamin Lecomte who was on goal for Motpellier.
Paris St Germain felt Neymar's absence as they dropped their first points in Ligue 1 this season in a disappointing 0-0 draw at Montpellier on Saturday.
But Emery is not underestimating a Montpellier side who beat them handily in the fixture last season.
'He (Neymar) has just arrived and like I said from the off we are keen for him to adapt in the best way possible. It will be a tough match.