|Specsavers County Championship Division Two, Chelmsford (close, day one)|
|Gloucestershire 262: Roderick 88*, Marshall 51; Porter 4-59, Napier 3-57|
|Essex 39-1: Westley 19*, Cook 17*|
|Essex 3 pts, Gloucestershire 2 pts|
Gareth Roderick hit an unbeaten 88 as Gloucestershire and Essex shared an even first day at the County Ground.
The 24-year-old hit 11 fours as he shared a 73-run fourth-wicket partnership with Hamish Marshall (51).
Marshall departed after being caught well by Jesse Ryder attempting to drive Jamie Porter, whose four wickets restricted the away side to just 262.
In reply, Liam Nowell trapped Nick Browne for one but England captain Alistair Cook helped Essex reach 39-1.