No mention of the play in this article, but the Z line is getting Nougat first week in October. Take with a grain of salt as always
Moto Z, X, G4 and Moto E Devices Gets Android 7.0 Nougat Update Soon - Neurogadget
Moto Z, X, G4 and Moto E Devices Gets Android 7.0 Nougat Update Soon - Neurogadget