"a growing player" is a correct and usable phrase in written English.
You would typically use this phrase when referring to someone who has been making progress and gaining skills or experience in a particular field or activity. For example, "Jessica has become a growing player in the tennis circuit over the past year."
The success of Hotel Transylvania 2 confirms Sony as a growing player in animation.
The firm has been a growing player in the high-speed trading industry; Mr. Narang says it now accounts for about 1.5 percent of all daily trading in American stocks.
Three things would over time lower the slaughter of people in Juárez and all over Mexico: legalize drugs, rework NAFTA so it provides a living wage, protect workers from toxic materials, protect unions, and cease giving the Mexican army half a billion dollars a year: it is the largest criminal group in Mexico and a growing player in the drug industry.
The Justice Department's lawsuit against the company and five publishers, three of which settled the case, paints a vivid picture of Apple's thinking from several years ago about how it could use its entry into electronic books to hurt Amazon, a growing player in digital media and devices with the Kindle.
Wholly owned by the 40,000-member Chickasaw tribe and with $62m in assets (on September 30th 2004), it is a growing player in the national market for mortgage lending to Indians, thanks in part to effective use of a federal home-loan guarantee programme known as Section 184 and a partnership with Fannie Mae, one of America's giant mortgage companies.
Lewis was speaking amid fears of a growing player exodus to France and in the wake of Wales' four rugby regions announcing a salary cap.
A quickly growing player in the sharing economy, Listia is a P2P marketplace for trading goods.
Coming closer to home, Turkey is "a rapidly growing player and one of the countries that I work with the most".
Education Management Corp. was already a swiftly growing player in the lucrative world of for-profit higher education, with annual revenues topping $1 billion, but it had its sights set on industry domination.
It points out that it invests £30m annually in the grassroots game in England and argues that an "increasingly difficult marketplace" makes growing player numbers a big ask.
United are all about growing players.
