The phrase "a major player when" is correct and usable in written English.
It can be used to describe someone or something that has significant influence or importance in a particular context or situation.
Example: "The company has become a major player when it comes to renewable energy solutions."
Alternatives: "a key contributor when" or "a significant force when".
"We wanted the company to be a major player when the doors opened," Mr. Goldstuck said.
As Mr. Mayer said in a recent phone interview, "Colin was already a major player" when he read the script of "Home".
French-owned company EDF Energy became a major player when it bought out British Energy (BE) in January 2009 for 12.5 billion GBP ($20.5 billion).
Different scholars come to different conclusions, but, in a recent paper, Jesse Prinz, a philosopher at City University of New York, summarized the research this way: "These studies suggest that empathy is not a major player when it comes to moral motivation.
Chicago is a major player when it comes to VC investing.
Chicago is a major player when it comes to investing in both dollars and deals nationally.
"One has to bear in mind that good relationship between the two giant neighbours is significant... given the size of their populations and the fact that they have long been considered the two major players when it comes to ushering in the so-called 'Asian Century'," a commentary in the agency says.
With the decline of music and video stores like Tower, the major players when it comes to selling CDs and DVDs are big box stores like Wal-Mart, Kmart and Best Buy.
While experts agree that it's likely the overeating rather than the tryptophan lulling you to sleep, the amino acid is important in production of serotonin, one of the major players when it comes to our mood, WebMD reports.
Whatever their romantic situation, both of them are in trouble: expect Tim to be a major player if and when Marcella returns.
Nearly two years ago, Blue Shield was thwarted in its bid to become a major player in California when its proposed $6.5-billion 6.5-billion nonprofit UniHealth Amerger fell through.
