Former Darlington captain Steve Foster and veteran striker Lee Thorpe have left the League Two strugglers.
Darlington striker Lee Thorpe has suffered another injury blow after aggravating a groin strain.
Darlington boss Colin Todd has brought in 10 new players ahead of the new season.
Rochdale duo Tom Kennedy and Lee Thorpe have signed new deals at the club.
Lee Thorpe has signed a new six-month contract extension with League Two side Rochdale.
Rochdale boss Keith Hill has defended the professionalism of his players after Lee Thorpe broke his arm during an arm wrestling.
Rochdale have sealed the signing of Lee Thorpe from Brentford, just minutes before the transfer deadline.
Darlington fell to their first league defeat of the season as the MK Dons snatched an 89th minute winner at Stadium:MK.
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