Jordan Turnbull and Alan McCormack were among 13 released in July, Scott Wharton and Callum Morton have returned to their parent teams, while skipper Charlie Goode became the club's first £1million pound player when he signed for Brentford.
So, with all those going one way and another nine coming in, how is the squad shaping up for Saturday's opener against AFC Wimbledon? Let's take a look...
21. Forward: Harry Smith
The striker's debut season at Northampton was heavily disrupted by injury but he still managed seven goals despite starting only 12 games. He could become a very important figure given the way Curle likes to play.
22. Forward: Benny Ashley-Smith
An exciting addition from Wolves. Scored goals for fun at youth level and has plenty of other promising attributes, now the test is to translate that into senior football.