Watch: LeBron's sons wish him happy Father's Day

LeBron James may be one of the greatest basketball players ever, but he's not good at playing "Call of Duty."

At least, that's what his eldest son Bronny said in a video with his brother Bryce as they wished the Cleveland Cavaliers superstar a happy Father's Day.

"I love you. You're the best dad in the world," said Bryce, who celebrated his 10th birthday Saturday with his family and friends in a lavish sports-themed party.

Related - Watch: NBA players celebrate fatherhood

LeBron, who crushed kids in hoops and a water-balloon fight, said in an Instagram post Sunday he's "extremely proud" to be Bryce's father.

Watch: LeBron's sons wish him happy Father's Day
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