Essex turned the screw on Gloucestershire as they made 400 before leaving the hosts struggling to avoid the follow-on.
All-rounder Greg Smith is moving from Derbyshire to Essex, who have also tied star bowler David Masters to a new deal.
Alex Gidman hit 70 not out to see Gloucestershire to a seven-wicket win over Derbyshire.
Chris Rogers has quit as Derbyshire captain and will be replaced by Greg Smith.
Inclement weather ruined a potentially exciting fourth day between Derbyshire and Northamptonshire.
Derbyshire completed a 185-run victory over Gloucestershire on the final afternoon to go top of Division Two.
Lancashire moved to the brink of the FP Trophy quarter-finals with a 114-run victory over Derbyshire.
Charl Langeveldt and Wavell Hinds were on form as Derbyshire beat Middlesex by seven wickets.
Kolpak all-rounder Greg Smith has signed a new two-year contract with Derbyshire.
Ian Botham, Nasser Hussain and Mike Atherton name Eoin Morgan their captain as they pick their England World Cup squads.
South Africa v West Indies Tes
West Indies trail South Africa by 275 runs with 8 wickets remaining
Australia v India Test Series
India lead Australia by 60 runs with 3 wickets remaining
KFC T20 Big Bash League 2014/2
After another series defeat, our pundits identify where England are going wrong in ODI cricket.
Australia and New Zealand will co-host the 2015 Cricket World Cup from February - here's a taster of what's in store.