Arizona Cardinals DE J.J. Watt tweets that he had to have his
JJ Watt announces he had to have his heart shocked into rhythm
Cardinals' J.J. Watt reveals he went into atrial fibrillation
J.J. Watt: I'm playing 4 days after atrial fibrillation
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J.J. Watt thankful to be playing after atrial fibrillation
Cardinals' J.J. Watt to Play After He Had His 'Heart Shocked Back
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JJ Watt playing for Cardinals days after having 'heart shocked'