Alli Mackenzie's connection to professional golfer Dustin Johnson is primarily familial; she is his sister-in-law. This relationship is through Johnson's marriage to Alli's sister, Paulina Gretzky.
Key Individuals
Alli Mackenzie: A member of the well-known Gretzky family, Alli is the daughter of NHL legend Wayne Gretzky and actress Janet Jones. She has four siblings, including Paulina. Alli Mackenzie is married to Sam Maddox.
Dustin Johnson: An accomplished American professional golfer, Johnson has reached the World No. 1 ranking and boasts a successful career. His major victories include the 2016 U.S. Open and the 2020 Masters Tournament. He married Paulina Gretzky in 2022, and they have two sons, Tatum and River.

Their Connection
The relationship between Alli Mackenzie and Dustin Johnson is one of in-laws. Alli is part of Johnson's extended family circle due to his marriage to her sister. They are often seen at family gatherings and significant golf events, where Alli supports both her sister and brother-in-law.