Randy Orton is currently written off TV after his programming with current United States Champion Jeff Hardy. He was also missing in the WWE European Tour earlier this month.
Wwe.com has reported "Undergone successful surgery to repair a medical meniscus tear in his left knee"
Randy Orton himself quotes, "I've known I needed the surgery since late last year,But I've been waiting for the right time to get my knee cleaned out.Right now was the right time."
Dave Meltzer also reported, "At this point scheduled to return in two months"
As these various report, He wont be available in the next two Pay-Per-Views;Next month's MONEY IN THE BANK in Chicago and July's Extreme Rules in Pittsburgh Pennsylvania.So don't expect him to back in the ring until Summerslam 2018 in Barclays Center in Brooklyn, N.Y.