Phil Mickelson celebrates winning the 2021 PGA Championship. AP Next month’s U.S. Open — the one major title Mickelson is missing to complete a career Grand Slam — is now on the clock.

FILE - Phil Mickelson speaks after winning the PGA Championship golf tournament on the Ocean Course, May 23, 2021, in Kiawah Island, S.C. Mickelson has not been heard from in three months.

FILE - Phil Mickelson speaks after winning the PGA Championship golf tournament on the Ocean Course, May 23, 2021, in Kiawah Island, S.C. Mickelson has not been heard from in three months.

Mickelson has won 45 PGA Tour events. His six majors include his two PGA Championship crowns (2005 and 2021), three Masters titles (2004, 2006 and 2010) and one British Open title (2013).

Phil Mickelson's short game deserted him during the second round of the PGA Championship, after the LIV Golf man took four shots to get out of a green-side bunker.

Phil was not missed,” Dave Stockton, who won a pair of PGA Championships in the 1970s, told Golf Channel. “I think Phil would have been a big distraction. The story here this week is the PGA.” ...

In the opening round of the 2020 ZOZO CHAMPIONSHIP @ SHERWOOD, Phil Mickelson lands his 178-yard approach 5 feet from the cup at the par-4 18th hole. He would make the putt for birdie.

FILE - Phil Mickelson speaks after winning the PGA Championship golf tournament on the Ocean Course, May 23, 2021, in Kiawah Island, S.C. Mickelson has not been heard from in three months.