Reavie had five birdies through nine holes but after he made the turn, his scorecard was colored with three consecutive bogeys.
Meanwhile, USA's Matt Kuchar looked in fine form as he maintained his lead at the top of the table which saw him keep another clean card and shoot a 4-under 66 to take a two-shot lead into the final round of the Sony Open.
Both courses require keeping the ball in play, and Kuchar has done that well over three rounds. "I was on the outside of a couple of things, and felt like I hadn't been used to being in that situation".
The world number 32 said the quality of his play had been a little better on Thursday, even if his scores had been the same.
Matt Kuchar went more than four years without a victory before winning the Mayakoba Golf Classic in November and now he's looking for more.
Kuchar ran off four birdies in five holes to start his second round on Friday, handled the par 5s at Waialae again and finished with another round 63.
Kuchar then won once in 2014 - the RBC Heritage - but came up empty until last fall when he won the Mayakoba Golf Classic.
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The 25-year-old won the Memorial Tournament, the Northern Trust and the Dell Technologies Championship in 2018, and moved up 30 places after mixing just one bogey with eight birdies, including three in a row on the way back to the clubhouse. Tied for the lead with five holes to go, Putnam made bogey from the bunker on No. 14 and Kuchar birdied the next two holes to seize control. Kuch was making birdies and played great coming down the stretch.
The easygoing vibe in Hawaii is a ideal fit for Matt Kuchar, who spends as much as a month at a time on the islands when his schedule allows.
Kuchar's final-round 66 put him at 22-under 258 for the tournament, with Putnam finishing at 18 under with a 2-under 68 on Sunday.
Kuchar has won just twice in the dozen times he has held the 36-hole lead, but he feels with the way he is playing that he can add to his birdie count. "I know I can't coast". You don't get many chances like that and it was nice to be there and been able to finish it off. ... Marc Leishman, Hudson Swafford, Chez Reavie and Corey Conners were T-3 at 17 under.
"I missed couple putts early but I was awfully steady, played bogey-free".
Andrew Putnam reacts to missing a birdie putt on the 16th green during the third round of the Sony Open PGA Tour golf event, Saturday, Jan. 12, 2019, at Waialae Country Club in Honolulu.