Three late birdies moved Rory McIlroy inside the cut line as Scottie Scheffler tied the course record to take the lead at the Texas Children's Houston Open.
McIlroy was outside the cut before three successive birdies from the 16th lifted him to four-under-par on a day disrupted by thunderstorms.
After a round interrupted by a two-hour stoppage, McIlroy finished with a 66 as play in the second round was called off for the day as darkness fell.
That leaves him seven strokes off the pace set by world number one Scheffler, who shot an eight-under-par 62 to lead by one from Canadian Taylor Pendrith and Colombian Nico Echavarria.
"I holed a couple of putts," McIlroy said. "That was it. It was nice to see a couple putts go in and get finished.
"It was a little dicey there at the end. Nice to finish the round the way I did."
World number one Scheffler produced his best round since returning from a hand injury sustained while cooking at Christmas as he prepares to defend his US Masters title.
Playing before the worst of the weather at Memorial Park, Scheffler opened with two birdies and missed just one green in regulation as he added six more birdies and completed 36 holes without a bogey.
"It was important for me to stay patient out there," said Scheffler. "It was nice to get off to a good start and kind of hold the momentum and keep the card clean."
Echavarria was nine-under-par for his round when play ended with him on the 17th and facing a chip from the edge of the green to save par, having driven into the water.
Australian Min Woo Lee and Ryan Gerard were a shot further back on nine-under-par with work to do to complete their second rounds.
Seamus Power missed the cut by a shot despite carding a second successive 69 that left him at two-under-par, eight strokes adrift of the lead.
Power, starting the day four back from the lead, dropped a stroke after over-hitting the green on the fifth but followed up with quick birdies on the sixth and the par-five eighth to reach the turn on two-under for the tournament.
He was unable to save par from a greenside bunker on 12 but made the shot back with a birdie on the par-five 15th, after laying up on his approach and clipping a tidy wedge into five feet.
The Waterford golfer would have needed to win the event to have any chance at booking a spot at Augusta for the Masters. He had his best finish of the year last week with an eighth place showing at the Valspar Championship.
Padraig Harrington will not be around for the weekend, though the three-time major winner did post an improved round on Friday, with a one-over par 71, leaving him at five-over par overall, six shots outside the projected cut-line.
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