|Royal London One-Day Cup, Northampton|
|Derbyshire 272-7 (50 overs): Slater 148 not out; Gleeson 4-66|
|Northamptonshire 278-3 (42 overs): Cobb 88, Duckett 70, Keogh 63|
|Northamptonshire won by seven wickets|
Northamptonshire sealed a place in the quarter-finals of the One-Day Cup as they beat Derbyshire by seven wickets at the County Ground, Northampton.
Despite losing five wickets from their final 10 overs, Ben Slater's unbeaten 148 from 159 balls helped Derbyshire to reach 272-7 from their 50 overs.
Northants openers Josh Cobb (88) and Ben Duckett (70) batted well to ensure the hosts swiftly took control.
Their 116-run opening stand helped them to 278-3 - a seven-wicket win.
It is the first time Northamptonshire have qualified for the quarter-final stages of a domestic List A limited-overs competition since 2005.
Richard Gleeson (4-66) held Derbyshire back in their innings and took three quickfire wickets to reduce the visitors from 204-2 to 209-5 in just 12 balls.