Attacking midfielder Nicky Featherstone has signed for the Bulls for the remainder of the season according to BBC Hereford and Worcester.
The 22 year old was reported to have been released by Hull yesterday after spending two months at Edgar Street. He has played 11 times since debuting in the FA Cup First Round win over Hythe Town.
Last season he played eight times for Grimsby, and made 16 appearances for Hull including four starts in the League Cup.