PITTSFORD, N.Y. — The Justice Department’s antitrust inquiry into men’s professional golf has included interviews with players, including the major tournament winners Phil Mickelson, Bryson DeChambeau and Sergio García, as the authorities examine whether the PGA Tour sought to manipulate the sport’s labor market. Although lawyers for the PGA Tour met with Justice Department officials in Washington this week, a timeline for the review’s completion — much less whether the government will try to force any changes in golf — is not clear. But the inquiry’s scope and persistence has deepened the turbulence in the sport, which has been grappling with the recent rise of LIV Golf, a league that used money from Saudi Arabia’s sovereign wealth fund to lure top players away from the PGA Tour. Eight people with knowledge of the Justice Department’s inquiry described its breadth on the condition of anonymity because the investigation was pending. The department declined to comment.

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