what kind of cancer does jj watt have

just now 1
Nature

JJ Watt does not have cancer.
No credible reports indicate that the retired NFL player JJ Watt has been diagnosed with any form of cancer. Related Health Issues
Watt has dealt with back injuries and a heart condition called atrial fibrillation, but these are not cancers.

Common Misconceptions
Search results often link Watt to supporting others with cancer, such as former teammate Bryan Braman (rare brain cancer) or fans with leukemia and rhabdomyosarcoma, due to his charitable efforts. He has promoted prostate cancer awareness but has not disclosed a personal diagnosis.