Rodriguez remains on the books at Real Madrid, despite having penned a two-year loan deal with Bundesliga champions Bayern Munich.
The Colombia international left the Bernabeu after failing to see eye to eye with manager Zidane.
Real Madrid appear to be missing the 26-year-old, with their stuttering La Liga form seeing them fall eight points behind rivals Barcelona at the top of the table.
And Spanish website Diario Gol claims Rodriguez has ripped into Zidane on social media app WhatsApp.
It is said he has three reasons behind his rant.
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The first, is that he feels the Frenchman was wrong to treat Chelsea striker Alvaro Morata the way he did.
Morata returned to the club from Juventus in the summer of 2016 but, despite scoring more than Karim Benzema, was often left on the bench.
Rodriguez supposedly thinks Zidane was wrong to make the decisions he did – although Benzema did help Real win the Champions League last term.
Diario Gol also say Rodriguez feels Pepe’s exit was another foolish decision.
Although the Besiktas centre-back struggled at times last season, he still remained a useful squad player.
Finally, Rodriguez is also still furious with Zidane over his own departure.
James Rodriguez: The Real Madrid star has ripped into Zinedine Zidane
The 26-year-old struggled for minutes last term with the Real Madrid boss often picking Isco in his place.
And the Bayern Munich star thinks Real are paying the price for his departure.
Meanwhile, Rodriguez has expressed his delight with life at Bayern Munich.
“Life here is something completely new to me and I also have to get used to Bayern's playing style That's not something that happens overnight,” he said.
“And that's before we talk about how cold it is! But at the end of the day the only thing that matters here is the football, a game that's the same wherever in the world you play it.
“I’m doing what I love and I'm happy to be doing that here.”