RFK Jr praises Novak Djokovic in social media post: 'First in courage'

Robert F. Kennedy Jr., Health and Human Services secretary, posted a photo of himself and tennis star Novak Djokovic on his social media account Sunday.

The two appeared to just wrap up hitting the ball around on the court. Djokovic is in Florida for the Miami Open as tennis players ramp up ahead of the French Open. Kennedy had glowing words for the Serbian star in his post.

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"Novak Djokovic. First in tennis. First in integrity.