Matt Kuchar and newcomer Julian Suri, who had 66s at Spyglass Hill, and Aaron Wise, who had a 65 at the par-71 Shore Course at Monterey Peninsula Country Club, are tied for third at 6-under. He has played very well in Wayne's presence the past two days.
"I've still got two rounds at Pebble, which is probably my favorite out of the three courses and I really like playing there".
'I think once I get to Augusta one excuse I won't have is not being prepared, and being under-golfed.
"Well, you got to go play", Romo said in astory by Mike McCallister on pgatour.com. He made one birdie, one bogey and 16 pars at Spyglass.
McIlroy is competing in the pro-am event with his father Gerry and will have four-time Pebble Beach victor Phil Mickelson for company over the next three days at Spyglass Hill, Monterey Peninsula Country Club and Pebble Beach.
The 22-year-old University of Texas product put together a bogey-free performance for the second straight day. He shot a 4-under 68 at Spyglass Hill, which was enough to get him into the top 20 after the first day.
Mickelson hasn't won since the British Open in 2013 at Muirfield, and he finally started to see some reasonable results after a sluggish start this year.
Defending champion and world number three Jordan Spieth will seek to bounce back from a rare missed cut last week, while McIlroy and Day are keen to build on recent strong performances. "I feel like the more I play, the more chance I'm going to give myself to be in that position", added McIlroy, who is playing this week's tournament in California for the first time.
For Phil Mickelson, day one of the Pebble Beach Pro-Am was the best of times and the worst of times.
His hard eagle putt sailed past the hole but with a six-foot putt for birdie all was not lost, yet.
Johnson is part of the celebrity rotation at Pebble Beach.
"The game's really close", Johnson said.
"Any time you shoot a 5-under par round, you should be happy with it", Rahm, who tied for fifth at the event past year, told the Golf Channel.
After a penalty drop, McIlroy almost struck an eagle from 240 yards with his shot striking the flag.
Briefly: McIlroy tumbled out of contention by shooting 74 on Friday, including a four-putt on No. 5 at Monterey Peninsula.