Here's the article about higher percentage of NHL players having earlier birthdays. https://www.nhl.com/news/study-suggests-nhl-has-bias-in-favour-of-players-bo

Here's the article about higher percentage of NHL players having earlier birthdays. https://www.nhl.com/news/study-suggests-nhl-has-bias-in-favour-of-players-born-earlier-in-the-year/c-657724 https://www.nhl.com/news/study-suggests-nhl-has-bias-in-favo...