Dundee has signed defender Aaron Donnelly on a three-and-a-half-year deal from Nottingham Forest for an undisclosed fee, subject to international clearance.
Aaron spent last season with The Dee on loan where he made 21 appearances and received high praise for his performances in the Dark Blue.
This season Aaron has been on loan at English League Two side Colchester United where he played 22 times.
Aaron will wear No 50 for the dark blues this season.
Dundee can confirm that Sean Kelly has left the club after his short-term deal came to an end. Sean joined the club on 28th November on a short-term deal till the start of January.
During his time for The Dee Kelly made three substitute appearances in matches against Motherwell, Ross County and St Mirren.