Phil Mickelson reveals mind games he played on Brooks Koepka at PGA

KIAWAH ISLAND, SC - MAY 23: Phil Mickelson fist bumps Brooks Koepka on the first hole during the final round of the 2021 PGA Championship held at the Ocean Course of Kiawah Island Golf Resort on May 23, 2021 in Kiawah Island, South Carolina. (Photo by Montana Pritchard/PGA of America via Getty Images)

Phil Mickelson had a very specific strategy for dealing with Brooks Koepka, he said at The Match.

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