Former driver Paul Di Resta revealed the apparent paddock rumor after Sunday's Brazilian Grand Prix.
A collision between Esteban Ocon and Max Verstappen has dominated headlines in Sao Paulo.
The appeal against the team's Italian Grand Prix disqualification will be heard in Paris.
The Ferrari driver lost the 2018 Drivers World Championship to Lewis Hamilton in Mexico.
Sebastian Vettel admitted he pushed harder to try and topple Red Bull, but the decision cost him a P3 gridslot.
The team say the decision was a precaution against overheating brought on by Mexico's low air pressure.
Pierre Gasly and Max Verstappen are at odds over Red Bull's potential with Honda in 2019.
The Williams Technical Chief has praised new aerodynamic rules for the 2019 season.
The Team Principal isn't fully down-and-out though, saying it's Ferrari's job to "challenge the impossible".
Max Verstappen has delivered a pretty simple message to Sebastian Vettel after the Japanese Grand Prix.
The Red Bull driver is not happy with his five-second penalty in the Japanese Grand Prix.
Honda has a new power unit for the Japanese Grand Prix and here's what you need to know.