23-year-old American Collin Morikawa has been golfing since he was 5 and looks like golf's next big star after winning the PGA Championship

• Collin Morikawa won the PGA Championship on Sunday by posting a record score over his final 36 holes.
• The 23-year-old has played exceptionally well since entering the Tour, and with his won on Sunday, he became one of six golfers to win a major in his first two major starts.
• Morikawa has been golfing since he was 5, working with the same coach since he was 8, and dates Katherine Zhu, a former collegiate golfer who has also caddied for him.
• Learn more about golf's new rising star below.

Collin Morikawa announced himself as the next rising star of golf on Sunday.

Morikawa, a 23-year-old American who's been on the PGA Tour for less than two years, won the PGA Championship, the first major of 2020, with a final score of -8-under.

In the process, he had one of the most dominant outings golf has ever seen and joined the likes of Tiger Woods, Jack Nicklaus, and Rory McIlroy, and showed he's one of the most promising golfers on the Tour.

Here's what to know about the breakout star:

Collin Morikawa won the PGA Championship on Sunday with a score of 8-under. It was the first major of his career.

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Morikawa shot a combined 129 over the final two rounds, the lowest closing 36-hole score in men's golf major history.

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He's now one of six players to win his first or second major start.

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And he joined Tiger Woods, Jack Nicklaus, and Rory McIlroy by winning his first PGA Championship at 23.

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And with his win on Sunday, he now has $4.8 million in career PGA Tour winnings.

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Source: PGA Tour

Morikawa is only 15 months removed from college. He had an exceptional college career at the University of California, where he was named three-time All-American, four-time First Team Pac-12, Pac-12 Player of the Year in 2019, and Golfweek Men's National Player of the Year in 2018.

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He's had an impressive start to his career on the Tour. In 27 events, he's made the cut 26 times. He's won three times, meaning he has more wins than cuts.

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Morikawa grew up in California but also spent much of his childhood in Maui. He began golfing at 5, which he called his own pursuit, as no one else in his family golfed.

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Source: PGA Tour

Morikawa has worked with the same coach, Rick Sessinghaus since he was 8. They first linked up at a junior camp Morikawa attended.

Rick Sessinghaus at the PGA Championship.      Darren Carroll/PGA of America/Getty Images

Zhu attended the PGA Championship on Sunday and celebrated with Morikawa.

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Morikawa's celebration on Sunday got a little side-tracked when he almost broke the Wannamaker Trophy.

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Morikawa is now ranked fifth in the world, with the chance to climb to No. 1 at the Northern Trust in two weeks.

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