Warwickshire are on the march up the Division One table.
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Warwickshire are on the march up the Division One table. After beating title rivals Nottinghamshire in their previous match they routed the team who succeeded them as champions last year, winning by an innings and 188 runs inside three days.
Keith Barker followed up his six for 46 in dismissing Durham for 171 by reducing them to four for two when they followed on 301 behind.
But the real capitulation began after Keaton Jennings and Michael Richardson had stayed together for 35 overs to add 71.
With the fourth ball of his 12th over Jeetan Patel had Richardson caught at short leg and went on to take five for nine in 22 balls, finishing with five for 49.
Boyd Rankin took three for 16 as Durham subsided from 75 for two to 113 all out to slide deeper into relegation trouble.
They began the day on 62 for three and Barker took two wickets in the seventh over. With Chris Wright off the field with a stiff back, Warwickshire had Rikki Clarke operating from the other end and Durham made comfortable progress in the first 20 minutes.
Gordon Muchall then fell lbw and two balls later Paul Collingwood pushed forward to a ball slanted across him and edged Barker to Clarke at second slip.
Three wickets had gone down for five runs when Phil Mustard drove at Clarke and edged to Will Porterfield at third slip.
At 83 for six John Hastings joined Scott Borthwick and they enjoyed some respite when Barker was rested with figures of 18-7-33-4.
Borthwick went for 46 when played back to a ball from Rankin which kept low and had him lbw. Hastings hit Patel for six on his way to 51 off 66 balls before Barker returned after lunch to have him caught at first slip.
When Durham followed on Mark Stoneman fell second ball on the day he received a penalty under the ECB's discipline code for showing dissent when given out lbw to Yorkshire's Adam Lyth at Headingley last week.
He followed an away swinger he could have left and edged to third slip, where Will Porterfield clung on again to remove Borthwick in Barker's next over.
Patel, turning the ball out of Barker's footmarks, had been threatening for some time when he finally Richardson caught by Sam Hain at short leg for 30.
Two balls later Muchall was lbw for the fourth successive innings, then Jennings played on for 37 against Rankin and three wickets had fallen for no runs.
Collingwood swept Patel for four and was then pinned lbw by Rankin, then Mustard drove at Patel at edged to Clarke at slip.
Hastings drove to long on and 75 for two had become 91 for nine before Mark Wood swung lustily to make 18 before he was bowled by Rankin.