The phrase "all relevant players" is correct and usable in written English.
You can use it when referring to all individuals or groups that have a stake or interest in a particular situation or decision.
Example: "In order to make an informed decision, we need to consult all relevant players involved in the project."
Alternatives: "all interested parties" or "all key stakeholders".
The FBI should interview all relevant players and look into the extent to which any witnesses can corroborate Ms. Ford's account or Mr. Kavanaugh's denial.
"Board members began establishing the details of the allegations, speaking to all relevant players and staff.
When it comes to autonomous cars, commercialization is still decades away, partly because all relevant players need to collect far more data to perfect their systems, said Yang Qiang, a professor at the Hong Kong University of Science and Technology.
Anticipating a landmark verdict, the influential Group of Seven (G7) industrialized powers, Australia, and practically al relevant players in the region have either openly or indirectly expressed their support for the arbitration proceedings.
"We try to make sure that all the relevant players in the ecosystem are ready about the same time," said Arvind Sodhani, president of Intel Capital.
One way to get ready for your fantasy baseball auction or draft is to project out the stats of all the relevant players and convert those stats to dollar values (or draft slots).
If the referee or his assistants are unsure whether a striker was offside, the computer will analyse where all the relevant players were in relation to each other at the crucial moment and then send the verdict to a receiver on the man in charge's wrist.
Having a smooth cooperation between startups, corporations, governments and all the relevant players in an ecosystem is a challenging task.
All the relevant players – pollsters, editors, and the analytics ninjas themselves – agree that social media analytics does not replace traditional polling.
More than a decade ago, with an influx of mentally ill people contributing to acute overcrowding in the county jail, all the relevant players – police, courts, health and homelessness services – in the city and surrounding county combined to radically overhaul the system.
