The Outlaws slipped to their second straight one-day defeat after the Yorkshire Vikings emerged victorious by seven wickets at Trent Bridge.
Brendan Taylor top-scored for the home side, making 60 from 59 deliveries, with an impressive display of improvised and unorthodox shots.
But after being set 186 for victory, Joe Root finished with an unbeaten 75, helping his side to a comfortable victory with 17.2 overs to spare.
Brendan Taylor was disappointed with Notts' display despite his own personal run total.
“We’re gutted with today’s performance. To score 180-odd at Trent Bridge, we just don’t see those sorts of scores here," he said.
"It was a good wicket. It did slow up at times but they were very skilled and made it hard for us to score.
"We lost wickets at crucial times and it made it very hard to get any rhythm or momentum.”
Riki Wessels scored 41 and Michael Lumb made 35 for the Outlaws, but none of the other batsmen could get a foothold in the game against a strong Yorkshire attack.
Tim Bresnan claimed the best figures, with three for 22, but all six Yorkshire bowlers took wickets.
There was also a run out on the card, a fine stop by Azeem Rafiq at extra cover led to a mix up with James Pattinson being left stranded halfway down the wicket.
Ultimately, the Outlaws were bowled out for 185 in 40.5 overs, having been asked to bat first.
Notts had managed to negotiate the first ten overs without straying into too much trouble, but then both Alex Hales and Lumb fell in quick succession.
Hales hit Rafiq’s first delivery straight back at him for a low caught and bowled and Lumb looked on aghast as he pulled Matthew Fisher to midwicket.
The left-hander had looked in ominous touch, despite having frequent visits from the physio after being struck on the hand by Bresnan.
Samit Patel pulled Adil Rashid to mid-on for 14, but the early damage was partially corrected as Taylor and Wessels added 65 for the fourth wicket.
A loose delivery from David Willey ended their partnership as Wessels pulled a leg-side delivery straight into the hands of deep backward square leg.
From 150 for four Notts’ plight worsened as they slid towards a crisis at 158 for seven, within the space of three overs.
Billy Root received a great ovation from both sets of supporters but only made six before edging Bresnan behind, Chris Read fell without scoring to Liam Plunkett and Pattinson was run out.
Taylor had reached his 50 from 44 balls, but only added ten more before also becoming one of Bresnan’s victims and Broad made a plucky 17 before being last out.
The Outlaws’ effort was summed up by two details that appeared on the screens as they trooped off for the interval.
They hadn’t been helped by a single extra, in an impressively-disciplined performance from the Yorkshire bowlers, and the innings had closed exactly one hour earlier than the scheduled cut off time.
Set to score 186 for victory, the Vikings looked comfortable throughout with Joe Root hitting the winning runs as he lifted his brother’s off-spin for a mighty six to win the match.
Adam Lyth made 35 and Jonny Bairstow scored 19 at the start of the chase before he was lbw to Broad. A stand of 127 between Root and Peter Hanscomb, who made 46, nullified any hopes of an Outlaws’ fightback.
Whilst Yorkshire can celebrate the start of their white ball campaign with a victory, Notts have now lost each of their two opening fixtures.
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