The pre-tournament joint favourite was three shots outside the projected cut when he signed his card.
Frustration led to an explosive moment from the former world number one.
The former world number one took full advantage of ideal conditions to post a flawless 67 for a halfway total of 12 under par.
The former world number one took full advantage of ideal conditions to post a flawless 67 for a halfway total of 12 under par.
Television footage from Koepka’s first round led to suggestions his caddie was sharing club information with his playing partner.
TV footage from Thursday’s first round appeared to show Koepka’s caddie Ricky Elliott saying “five” to Gary Woodland’s caddie.
Augusta tee times brought forward to counter bad weather forecast.
McIlroy seven shots off the pace after making touch of Augusta history.
Woods looked understandably rusty as he laboured to a 74.
Woods carded five bogeys and three birdies to finish two over par.
