Middlesex were reduced to 64-7 in reply to Somerset's first-innings 523-9 declared on day two at Taunton.
Craig Kieswetter marked his return to action by digging Somerset out of a hole on day one against Middlesex.
Yorkshire clinched their first County Championship title since 2001 after wrapping up an emphatic victory over Notts.
Yorkshire will go into the final day against Nottinghamshire needing five more wickets to clinch the Division One title.
Yorkshire took a major step towards claiming the Division One title while Jonathan Trott starred for Warwickshire.
Yorkshire took a giant stride towards securing the LV= County Championship title on day one against Nottinghamshire.
Ben Stokes smashed 164 as Durham beat Nottinghamshire by 83 runs in Saturday's Royal London Cup semi-final.
Ben Stokes was delighted to play a huge part in taking Durham to the final of the Royal London One-Day Cup.
Durham have confirmed the signing of India fast bowler Varun Aaron for the final few few weeks of the season.
Adil Rashid took 5-117 as Yorkshire completed a vital innings and 18-run victory over Lancashire at Old Trafford.
Yorkshire duo Adam Lyth and Adil Rashid claimed a record sixth-wicket stand as Lancashire were made to toil.
Yorkshire moved into a commanding lead against Lancashire as Paul Collingwood and Durham defied Nottinghamshire.
Yorkshire bowled Lancashire out for 278 in the Roses clash, while Nottinghamshire were left in trouble against Durham.
Mark Stoneman hit a century as Durham beat Yorkshire by 31 runs in their Royal London Cup quarter-final at Headingley.
Paul Collingwood has performed a U-turn over retirement plans after signing a new one-year deal with Durham.
Nottinghamshire's last-ball win earned them top spot in Group B and a home quarter-final in the Royal London Cup.
Vote for your favourite catch in the NatWest T20 Blast so far from our spectacular short-list of five.
Yorkshire beat Sussex by nine wickets at Scarborough to move six points clear at the top of the LV= County Championship.
Kane Williamson converted his maiden century for Yorkshire into a fine 189 to put the home side on top against Sussex.
Paul Horton's 114 and Ashwell Prince's unbeaten half-century helped Lancashire make a spirited response to Durham's 340.
Full-on Yorkshire are the pride of the County Championship, says David Lloyd, and deservedly so.
County Champ D1