He launched himself from seven strokes back to one behind and tied for sixth place.
Soft conditions at Augusta National benefited the boomers in Thursday's opening round as Koepka, victor of three of the last six majors he has contested, world number two Dustin Johnson and Spaniard John Rahm all muscled their way onto the leaderboard. Casey bogeyed the 18th on Friday to go 81-73.
T1. Francesco Molinari (-7): There's no such thing as a ideal round, but there is such a thing as a clean round, and Molinari played one.
Blinders on, Koepka played bogey-free in his first time at the Masters in two years.
Spain's Jon Rahm and 2013 Masters victor Adam Scott are in a group on three under while four-time champion Tiger Woods is a shot further back on a congested leaderboard.
Man tries to set himself on fire outside White House
CBS News White House Correspondent Mark Knoller tweeted an image of the suspect being carried away from the scene. A suspicious package was found near the man, according to NBC Washington .
Day paid tribute to his chiropractor, Canadian Dr Stuart Love, who worked on Day after the first round and before the second round, to get him on the course, after his back seized up just before the start of the tournament. Jason Day and first-round co-leader Brooks Koepka are also at 7-under.
Joe Montana or Tom Brady, Serena Williams or Steffi Graf - there is no shortage of debate in sport over who is the greatest of all time, but do not even try separating golfing icons Tiger Woods and Jack Nicklaus, according to Gary Player. He then carded pars on the final three holes.
The biggest surprise below the cut line at the moment is world No. 1 Justin Rose, who missed a par putt on 18 to finish +4, one off the cut line. He struck the ball really well, didn't make any crippling mistakes and let his putter guide him.
Aaron Wise knew he needed to improve his score in the second round if he was going to continue playing during the weekend at the Masters.
T1. Louis Oosthuizen (-7): Have a day, Louis.
La police utilise des canons à eau contre les manifestants ! [vidéo — Alger
Des appels à reprendre la rue avaient essaimé sur les réseaux sociaux dès la veille, après l'annonce de la désignation de M. Le départ d'Abdelaziz Bouteflika n'a en rien diminué l'envie de changement des Algériens .
The featured pairing of Kuchar, Johnson and Poulter is set to wrap up play any minute now, which means Woods' pairing will be on the course soon enough.
Tiger Woods missed all the action. Not quite - but pretty close.
"Everybody wants to see Tiger Woods win more majors because he moves the needle like nobody playing golf today", Player said.
However, 25-year-old DeChambeau will feel more than a sense of injustice that he doesn't have sole possession of the lead. He birdied the par-5 eighth hole, only to bogey the par-4 ninth, leaving him even for his round on the front nine.
Sekiro: Shadows Die Twice sold 2 million copies in under 2 weeks
It is safe to say players worldwide could not get enough of Sekiro's fast paced combat and hard boss encounters. The studio's games are known for being particularly unforgiving, but these numbers are still quite impressive!