But, back to perogies, which, if you're still reading, may have otherwise seemed like a very unnecessary aside. In her piece, O'Neil pointed out how proud Coach K's childhood friends from his mostly-Polish neighborhood in Chicago are of him today — because he kept his name, the whole, long, Polish thing. Proudly remaining Coach Mike Krzyzewski all the way to 1,000 wins. Their pride is, in part, borne from the fact that Coach K's dad didn't even go by his full last name. Coach K's dad, Bill Krzyzewski, as O'Neil retells it, "went by Bill Kross, hoping to avoid the sting of discrimination that may come with being the son of a Polish immigrant.