Durham Dynamos lost by 15 runs to Welsh Dragons at Colwyn Bay, despite a valiant effort from Michael Richardson, who made his first one day appearance of the season
Chris Rushworth broke the opening partnership in the fifth over, with Mark Wallace caught behind on 12 with the total at 39-1.
Mitchell Claydon got in on the action the following over when Ben Stokes dove forward on the ropes to hold onto a big hitting attempt from Gareth Rees (28).
Former Durham overseas player Marcus North was caught by Gordon Muchall on 4, giving Rushworth his second scalp.
A bowling change for the 16th over saw Stokes strike with his sixth delivery, claiming the wicket of Jim Allenby when he was caught behind on 26 with the total 92-4.
Stokes picked up the wicket of dangerman, Van Jaarsveld (25) in his following over, removing his stumps as the Dragons reached the hundred mark.
Glamorgan reached 138 before the sixth wicket fell in the 27th over with Will Smith trapping Walters lbw on 22. It was two wickets in two deliveries for Smith, who went on to have Harris caught behind first ball.
A change of ends for Borthwick saw him claim the wicket of Dean Cosker (5), who was caught on the ropes by Claydon with the total 147-8.
The Dragons were 157-9 when Cooke was caught by a diving Benkenstein as Borthwick claimed his second wicket.
Stokes brought the Dragons innings to an end when he bowled Simon Jones for 2, setting Durham a target of 164 for the win.
Jones struck first for the hosts with the total on 20 when he was nicked to the ships by Mustard (11) and Stokes (6) trapped lbw in the eighth over.
Muchall (7) was trapped leg before at the opposite end by Harris the following over with the total at 36-3.
The Dynamos fell to 36-4 once Stoneman was caught by Wallace on 11, becoming Jones third victim.
Benkenstein was caught by Walters off Allenby for 6 as the visitors reached 44-5.
A 34 run partnership between Smith and Michael Richardson steadied the Dynamos innings but the dismissal of the former, who was run out on 21, was followed by Cosker bowling Borthwick for 3, leaving the Dynamos 99-7.
A determined 45 from Michael Richardson boosted the Dynamos total to 120 before he was trapped lbw by a returning Jones, bringing Claydon to the crease to join Plunkett with the Dynamos requiring 44 runs for the win.
Plunkett was bowled by Allenby for 5 in the 34thover and despite the best efforts of the final pair, the Dynamos fell short by 15 runs in the closing stages after Rushworth was bowled.