...building, reaching agreements with three more players to join the Iron squad for next season, although only one has been named so far.
Joining the club from Day`s former club Welling United is 21-year-old midfielder Harry Lee.
Lee came through the ranks at Sky Bet League Two side Leyton Orient, signing professional contracts on April 2013 and made his O's debut at the end of 2012/13.
He went on to make six further appearances for the Brisbane Road outfit before two loan spells saw him play twenty-three games for the Park View Road club on loan before making the switch permanent in January.
The club have also signed a defender from a Football League Two side whose details will be released once his contract of employment is completed.
Day has also agreed terms with a goalkeeper, with a transfer fee agreed between his former club and Braintree.