The PGA of America announced the field Tuesday for next week’s PGA Championship, the second major of the golf season, being played at Aronimink Golf Club in Newtown Square, Pa. A total of 154 players were announced, with two spots left open for the winners of the PGA Tour’s two events this week, the Myrtle Beach Classic and Truist Championship , if they are not already in the field. Phil Mickelson, who is not playing at LIV Golf Virginia this week due to undisclosed family matter that has kept him from playing all year except for one LIV Golf start, is listed in the field. The two-time PGA champion last won in 2021 at age 50, becoming the oldest to win a major. The PGA of America traditionally strives to have all the top 100 players in the Official World Golf Ranking in its field, and to that end world No. 100 Tom McKibbin, who plays on LIV Golf, was invited. Another LIV Golf member could be considered a surprise invitation: Dustin Johnson. The 41-year-old two-time major champion has fallen to No.…