I hit some bad shots early and I just didn't have the mental toughness to fight it out,'' said Triplett, neatly summing up an ugly round with included four double bogeys
and a stretch in which he dropped eight shots in six holes.
Clarke, 32, has been making costly mistakes on final days and his two double bogeys
on Sunday were the main reason for his poor placing.
Orion started the practice last season, fining players for double bogeys
Barron's first day at the Nissan included six bogeys and two double bogeys
for an under whelming round of 80.
A day of wild fluctuations - of eagles mixed with double bogeys
, of fortunes shifting as abruptly as one of the wind gusts, of marquee players and long shots alike alternately rising and plummeting.
He had three bogeys and two double bogeys
, countered only by an eagle.
Most of the damage was done on a disastrous opening nine where three consecutive double bogeys
saw him go out in 43 at Muirfield Village.
Curtis Cup player Amy Boulden was the best of the Welsh with a 72 finishing with a birdie four, while Kath O'Connor was respectable with 74 but Welsh girls champion Chloe Williams finished with two double bogeys
for a 79.
The Nuneaton 26-yearold went into Saturday well placed to launch a title challenge, let alone a top ten place, but four double bogeys
in the last 12 holes cost him dear as he carded a nine-over round to add to a solid 70 and 71 during the first two days.
1st Tea Olive 445 yards, par 4 2011 scoring stats - eagles: 1; birdies: 14; pars: 199; bogeys: 76; double bogeys
or worse: 6 Difficulty ranking: T6 A daunting start for the players with one of the toughest holes on the course first up.
While Kruger enjoyed smooth progress, Siem got off to a nightmare start and had to dig deep to overcome double bogeys
on each of the first two holes.
Nobody, least of all the 14-major winner himself, was expecting it after he birdied three of his first five holes and shared the lead, but then came three double bogeys
and five bogeys.