Former NBA star Dennis Rodman predicts President Donald Trump could win a Nobel Peace Prize if he reaches a nuclear deal with North Korean leader Kim Jong Un — and he's willing to help.

Rodman is not in Vietnam, site of this week's summit, though he had gone to Singapore in 2018 when the leaders first met.

Writing in a letter to the president that he shared on Twitter, Rodman promised after the summit to follow up "with you, your team and my good friend, Chairman Kim."

Rodman had made friends with Kim, a basketball fan, during a visit to North Korea in 2013. He was headed to that country in 2017 when American hostage Otto Warmbier was released from prison.

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The two-time NBA All-Star said he hopes Trump will take advantage of that friendship and his role as ambassador of goodwill.

"We have a lot of work to do, but with your diverse team, amazing global contacts and willingness to think outside the box, we can have peace on the Korean Peninsula," Rodman wrote. "We really can.

"You are on the cusp of a big, beautiful deal. One that would make you the front runner for a Nobel Peace Prize without question. You have my forever and forever support!"