National League Division Two, Nottingham: Nottinghamshire 254-9 (44.2 overs) beat Derbyshire 252 all out (45 overs) by one wicket
A blazing century from Kevin Pieterson ensured Nottinghamshire a last-gasp victory over local rivals Derbyshire, by a single wicket at Trent Bridge.
Chasing 253 for victory, the Outlaws clinched the win with just four balls to spare.
Pieterson providing more than half the runs with an unbeaten 130, including 13 fours and five sixes.
Only when Chris Cairns added 40 in a 68-run fifth-wicket partnership did the South African have any support.
No other batsman passed 18 as Graeme Welch led the was with 3-48.
For the Scorpions, Scott Selwood top-scored for the second day running, but this time Derbyshire's total was not out.
Selwood, whose 88 rescued the Scorpions against Somerset on Sunday, came to the crease with the visitors in similar trouble at 23-3.
That was soon 23-4 when Nathan Dumelow fell fourth ball to Steve Elworthy, one of four wickets for the South African.
But a 96-run partnership with Dominic Hewson righted the situation, Hewson making an even 50.
Dominic Cork contributed a brisk 35, and a late excelleration from ninth wicket pair Tom Lungley and Graeme Welch added an extra 46, Lungley striking four boundaries in his 30.
Nottinghamshire: D J Bicknell, C M W Read (Wkt), J E R Gallian
U Afzaal, K P Pietersen, C L Cairns (Capt), B M Shafayat, P J Franks,
S Elworthy, S J Randall, G J Smith.
Derbyshire: S D Stubbings, A I Gait, N R C Dumelow, C W G Bassano, S A Selwood, D G Cork (Capt), D R Hewson, T Lungley, G Welch, L D Sutton (Wkt), K J Dean.