Garcia played a four-hole stretch in six over and shot 75.
Fellow countryman Graeme McDowell is a shot behind McIlroy at -1 thru 7 for his round, while Irishmen Shane Lowry and Padraig Harrington suffered poor starts to their Major pushes and sit at +3 and +8 respectively.
Stroud made the turn at even par and then birdied 10 and 11 before his 20 foot putt on 18 sealed his first round score of 68.
US Open champion Brooks Koepka says he "felt like crap" after hitting a marshal on the head with an errant drive on day one of the US PGA Championship.
And when he three-putted the fifth and sixth from just off the green, the world number two was in danger of seeing his title challenge ruined on the opening day.
12-year jail for Samsung heir sought over bribery
South Korea's lower court is expected to deliver a verdict by August 27th, when Lee's current detention period comes to an end. It is alleged he made a large donation in exchange for government support of a merger of two Samsung subsidiaries.
The American was able to rally with a great finish, however, birdying the eighth and ninth holes to close with a 72 that looks set to be pretty competitive when all is said and done on day one. "It's much easier when you are on the front page of the leaderboard than it is coming from behind. Trying to hit greens and trying to hit fairways, there's been a lot more pressure because I'm putting poorly". Truth has been working on his "I Got It" single with Charlotte rapper LeeLee and producer Manny Mac, which will be featured on an upcoming EP. I feel like I'm swinging it really well.
"I don't think I missed any short putts today". "It's a little disappointing but I brought it back with a couple birdies to at least having a chance going forward".
The PGA Championship is the most successful tournament for Australian's of the four Majors, Jim Ferrier, David Graham, Wayne Grady, Steve Elkington and Day the most recent in 2015.
The 35 year old from Groves got into the year's last major by winning the Barracuda Championship this past Sunday in Reno, NV.