As well as the retirement of Andy Booth, Clark released Jon Worthington, Malvin Kamara, Dominik Werling, Daniel Broadbent, Dan Codman.
On 16 July, young striker Tom Denton joined Football League Two side Cheltenham Town on a six-month loan deal.
On 14 December, young defender Spencer Harris moved to Northern Premier League Division One North side Curzon Ashton on a month's loan.
On 1 January 2010, midfielder Jim Goodwin joined Oldham Athletic on a month's loan, which was extended to the end of the season on 1 February.
On 27 January, Lionel Ainsworth joined fellow League One side Brentford on a month's loan, which was extended to the end of the season on 1 February.
On 1 February, Tom Denton and Lewis Nightingale joined Northern Premier League Division One North side Wakefield on one-month loans.
On 3 July, young striker Theo Robinson was signed from Football League Championship side Watford for an undisclosed fee on a three-year deal.
On 22 January, Lee Clark bolstered his defensive options further with the loan signing of Preston North End's Neal Trotman.