Story highlights Kentucky player mutters N-word under his breath about a Wisconsin player at postgame news conference

Andrew Harrison, who is black, tweets that he apologized to Frank Kaminsky, who is white

Kaminsky says he's talked it over with Harrison -- 'I'm over it"

(CNN) A University of Kentucky basketball player is apologizing for the "poor choice of words" he muttered under his breath after the team's stunning loss to Wisconsin on Saturday.

As a deflated panel of Wildcats fielded a reporter's question about Wisconsin standout Frank Kaminsky, a hot mic picked up Kentucky guard Andrew Harrison saying of Kaminsky, "F**k that (N-word)."

Harrison, who is is black, said his words were "in jest," and that he meant no disrespect to Kaminsky, who is white.

"First I want to apologize for my poor choice of words used in jest towards a player I respect and know," Harrison tweeted. "When I realized how this could be perceived I immediately called big frank to apologize and let him know I didn't mean any disrespect."

Kaminsky -- the 2015 Associated Press player of the year -- said Sunday that he was "over it."

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