The former NBA guard and Slam Dunk champion posted about his health.
"11-year NBA veteran Nate Robinson, a three-time Slam Dunk Contest winner, is fighting renal kidney failure," Shams Charania tweeted.
Robinson has been fighting this for years but is now going public.
"NBA fans learnt about Dikembe Mutombo and Nate Robinson's health issues today. I hope they recover soon "new fan
Nate Robinson is one of the most memorable Knicks players of the 21st century.
"Knicks Fan! Former Knicks Dikembe Mutombo and Nate Robinson are ill. Mutombo has a brain tumour and Robinson renal failure "Fan added.