The phrase "prime player" is correct and can be used in written English.
It is typically used to describe someone who is a key or essential member of a group or team. Example: "The soccer team's prime player, Sarah, scored the winning goal in the championship game."
He called Mr. Orlando "the prime player" in the scheme.
"He was supposed to be a prime player," Jorge Posada said.
On the way to see Buck Showalter and then Joe Torre, it was almost impossible not to stop by Cone's place for the prime player perspective.
They returned this season intent on having quarterback Aaron Brooks (a league-most 16 touchdown passes) grow into a prime player.
Pressed for details, Marcel Ospel, UBS's chairman, described the Middle Eastern investor as "a prime player," and later as "as good an address" as Singapore's sovereign fund.
The Seattle Mariners reached a preliminary agreement on a three-year, $9 million deal with Spiezio, a prime player in Anaheim's run to the 2002 World Series championship.
These cytokines are prime players in pathogenesis of allergic asthma, allergic hypersensitivity, different cancers, and HIV infection.
Recent studies have revisited the roles of prime players in the immune response to tuberculosis (TB) and have highlighted novel functions of these players.
It controlled a great deal of land and was one of the prime players in the political scene for several hundred years.
Soon after joining the new firm, he identified three partners who were seen as prime players in other practice groups and invited each to lunch.
"And they did it before free agency," Kiner noted, meaning the Mets could not woo prime players with cable swag, the way rich teams do these days.
