In
Ben Killip (Goalkeeper, Norwich City), Karleigh Osborne (Defender, Kilmarnock), Nathan Clarke (Defender, Coventry City), Paul Dixon (Defender, Dundee United), Mitchell Rose (Midfielder, Newport County), Sam Kelly (Midfielder, Port Vale), Siriki Dembele (Midfielder, Nike Academy), Harry Cardwell (Attacker, Reading)
Out
Andrew Boyce (Defender, Eastleigh), Dan Jones (Defender, Barrow AFC), Danny Andrew (Defender, Doncaster Rovers), Gavin Gunning (Defender, Port Vale), Josh Gowling (Defender, Torquay United), Shaun Pearson (Defender, Wrexham), Brandon Comley (Midfielder, QPR, Loan ended), Craig Disley (Midfielder, released), Dominic Vose (Midfielder, Scunthorpe United, Loan ended), Josh Venney (Midfielder, released), Max Wright (Midfielder, released), Rhys Browne (Midfielder, Yeovil Town), Adi Yussuf (Attacker, Barrow AFC), Ashley Chambers (Attacker, Nuneaton Town), Calum Dyson (Attacker, Everton, Loan ended)
Target
The Mariners will be hoping to mount a sustained challenge for a play-off place and the pressure will be on manager Russell Slade to deliver a top seven finish.