On this week's Mailbag, Gill gets you caught up on his time off, including an experience at PGA Golf's Waste Management Open, before answering your comments: what to make of Holger Rune splitting with coaches Boris Becker and Sevrin Luthi, how tennis should handle Saudi Arabian involvement as Rafael Nadal, Novak Djokovic, Jannik Sinner, Carlos Alcaraz and Holger Rune agree to an exhibition in Riyadh, takeaways from Alexander Bublik's Montpellier title, explaining variance in hard court speed, Jessica Pegula's breakup with Coach David Witt, the ATP Reality Show, Andy Roddick's "served" podcast and much more.