Koepka’s victory at Oak Hill last year made him the first LIV Golf player to win a major after joining the Saudi-funded breakaway.
The Northern Irishman had his second straight bogey-free day
Brooks Koepka used a humbling  45th-place finish at last month's Masters to revive his game and recover top form just in time to defend his title at the 106th PGA Championship.Koepka won his first LIV title of the year last week at Singapore in a last PGA Championship tuneup.