It comes up in the race threads from time to time, as at elite schools it is mostly white (and often fairly wealthy) athletes who benefit from the admissions hook.
Other articles on this generally -
https://www.huffingtonpost.com/julie-j-park/the-white-admissions-adva_b_6932670.html
https://psmag.com/education/affirmative-action-minority-students-and-rich-white-kids
…mostly these discuss Daniel Golden’s book The Price of Admission: How America’s Ruling Class Buys Its Way into Elite Colleges which posits that athletic admissions preference, like legacy and development admits, are in place to keep wealthy white numbers high.