Here's who Blues will face in pre-season...
Blues can confirm the following pre-season schedule ahead of the 2017/18 season.
It was announced in May Premier League side Brighton & Hove Albion will visit Roots Hall. And Blues will also have four more friendlies in preparation for the 2017/18 season.
Phil Brown will take his Southend United side to Vanarama National League side Ebbsfleet, Vanarama National League South side Braintree Town and Evo-Stik South League side Bishop’s Stortford.
Braintree were relegated from the National League last season and Blues travel to the Avanti Stadium on Saturday 15th July, 3pm kick-off.
Bishop’s Stortford fell out of the Vanarama National League South last season and Blues will travel to ProKit UK Stadium on Tuesday 18th July, 7.45pm kick-off.
Ebbsfleet last week beat Chelmsford City with 10 men after being 1-0 down to reach non-league’s top division, and they will host Blues on Saturday 22nd July, 3pm kick-off.
Premier League Brighton are in town on Tuesday 25th July, 7.45pm kick-off.
Lastly, Blues will travel to the Cambs Glass Stadium to face League Two Cambridge United on Saturday 29th July, 3pm kick-off, and to support U's fan Simon Dobbin, with proceeds donated towards his ongoing care needs.
Braintree Town v Southend United - Saturday 15th July, 3pm KO
Bishop's Stortford v Southend United - Tuesday 18th July, 7.45pm KO
Ebbsfleet United v Southend United - Saturday 22nd July, 3pm KO
Southend United v Brighton & Hove Albion - Tuesday 25th July, 7.45pm KO
Cambridge United v Southend United - Saturday 29th July, 3pm KO