Koepka withdraws from CJ Cup due to knee injury
Andrew Redington / Getty Images Sport / Getty

Defending champion Brooks Koepka withdrew from the CJ Cup at Nine Bridges with a knee injury, the PGA announced Friday.

The world's No. 1-ranked golfer slipped on wet concrete, aggravating a previous injury to his left knee, he revealed in a statement, adding that he was advised to withdraw and head home for further tests after consulting with his doctor.

Koepka sat at even par through 36 holes. He shot a 3-under 69 in Round 1 before posting a 3-over 75 in Round 2.

The 29-year-old won the South Korea-based event by four strokes in 2018.

He had stem cell treatment performed on his left knee during the offseason and was off to a slow start to begin this campaign, having missed the cut at the Shriners Hospitals Open earlier this month.

Koepka withdraws from CJ Cup due to knee injury
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