The video above is from a previous report.
Watt announced on Twitter Sunday morning that personal information was set to be leaked, and he wanted to beat them to the punch.
"I went into A-Fib on Wednesday, had my heart shocked back into rhythm on Thursday and I'm playing (Sunday). That's it," the tweet said.
The Cardinals are scheduled to take on the Carolina Panthers at 3:05 p.m. on Sunday.
According to the Mayo Clinic, Atrial fibrillation, or A-fib, is an irregular and often very rapid heart rhythm that can lead to blood clots in the heart. A-fib is said to also increase the risk of stroke, heart failure and other heart-related complications.