Tiger Woods has undergone his seventh back surgery -- his second in just over a year -- after doctors discovered a collapsed lumbar disc that had caused severe pain and mobility issues. The 49-year-old golfer announced on social media Saturday that the latest procedure, a disc replacement, was performed Friday in New York.

"After experiencing pain and lack of mobility in my back, I consulted with doctors and surgeons to have tests taken," Woods wrote. "The scans determined that I had a collapsed disc in L4/5, disc fragments and a compromised spinal canal. I opted to have my disc replaced yesterday, and I already know I made a good decision for my health and my back."

The operation adds to an extensive medical history for Woods, who has endured a string of surgeries on his back, knees, le

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