Warwickshire boosted their chances of staying in the top flight of the LV County Championship after wrapping up a nine-wicket win against struggling Worcestershire at New Road.
The crushing victory - their first in Division One since they were successful on the same ground in May 2007 - left Worcestershire stranded at the foot of the table and heaped more pressure on second-from-bottom Yorkshire.
Pace pair Naqaash Tahir, who finished with five for 67, and Boyd Rankin mopped up the last four wickets in just over an hour as the home side were dismissed for 244 after following on 198 behind.
Moeen Ali held up his former county with a stubborn 47 until he was last out, nibbling at a ball from Tahir and giving wicketkeeper Tim Ambrose his seventh catch of a match that was completed in 200 overs.
Worcestershire's seventh defeat in 10 games makes it more likely that they will be going back to Division Two. In three appearances in Division One, they have won only four of their 42 fixtures.
Having prepared a grassy pitch with the aim of improving pace and carry, their batsmen failed to cope with the extra bounce and movement.
For Warwickshire's seamers it was a welcome change from the sluggish surfaces at Edgbaston.
Neil Carter and Chris Woakes shared nine wickets in Worcestershire's collapse for 111 on Sunday and in the second innings the spotlight switched to Tahir and Rankin, who also took nine between them.
Following injuries to Simon Jones and Kabir Ali, Worcestershire were unable to match such firepower and in hindsight the result was probably decided when three Warwickshire batsmen made 50s in a match-shaping total of 309.
Tahir was the bowler who delivered the decisive spell on the final morning. Gareth Andrew (14) kept Warwickshire waiting for 40 minutes but the end came quickly after the left-hander edged Tahir to Ambrose.
Richard Jones, lbw for three, and Moeen, who hit seven fours from 126 balls, were swept aside as Tahir completed a spell of three for 25. In between, Matt Mason was caught at short leg to give Rankin a return of four for 56.
Warwickshire needed only 47 to secure their first Championship win since beating Glamorgan to clinch the Division Two title last September.
Carter, opening for the second time in the match, departed in Mason's second over when Imran Arif ran in from long leg to hold a low catch, but Ian Westwood and Jonathan Trott finished the job 10 minutes before lunch.