Mac doubles down, ESPN colleagues call argument "ridiculous" and "irrelevant."
Hall of Famer says it's time tennis stops players from using toilet breaks as gamesmanship.
The Swiss duo helped draw record crowds to Perth in 2017.
World No. 4 says "I love Boris" in show of support for former coach.
Evans went years without a clothing sponsor, and he will again.
Hall of Famer will be at SW19 for as long as Djokovic remains in tournament.
The Great Dane tosses aside her SI Swimsuit for ESPN's annual body-centric celebration.
