|Specsavers County Championship Division One, Derby, day one|
|Essex 291-4: Browne 116*, Westley 72; Milnes 2-48|
|Derbyshire: Yet to bat|
|Essex 2 pts, Derbyshire 1 pt|
Essex opener Nick Browne hit an unbeaten century as the Division Two leaders enjoyed a fine opening day with the bat at Derbyshire.
Browne lasted 282 balls for his 116 to help Essex reach 291-4 at stumps.
The 25-year-old put on 128 for the second wicket with Tom Westley before he edged Matt Critchley behind for 72.
All-rounder Ravi Bopara also made 44, with Essex captain Ryan ten Doeschate set to resume with Browne on day two unbeaten on 15.