"No, I'm not playing," Venus Williams said days after the BNP Paribas Open announced the 44-year-old superstar had received a wild card.
Nicolas Zanellato can return to action immediately after proving his positive test for boldenone came from contaminated Colombian beef.
Serving a three-month suspension, world No. 1 Jannik Sinner is out and Casper Ruud is in the Las Vegas field.
The 21-year-old will be the youngest Portuguese man inside the Top-100 since 1991 on Monday.
The duo join Alcaraz and Fritz, who have already committed.
"For sure it's a calendar thing. We're not going to be able to be consistent for many years playing week-by-week," Iga Swiatek said.
New details on a "fixated" male fan who followed Emma Raducanu as Dubai authorities detain him and announce action.