Complex sentence: The arena's naming rights went to the McCarthey brothers of Salt Lake City, as a result of major gifts by Gonzaga trustee Philip McCarthey and regent Thomas McCarthey; both are GU alumni and former owners of "The Salt Lake Tribune".
Split into simpler sentences: The arena's naming rights went to the McCartheys of Salt Lake City, as a result of major gifts by Gonzaga Trustee Philip McCarthey and Regent Thomas McCarthey. Both are Gonzaga alumni and former owners of "The Salt Lake Tribune".