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Jon Macken, Daniel Bogdanovic, Darren Moore, Anderson de Silva, Simon Heslop, Rob Kozluk and Michael Coulson were all released from Oakwell with Heslop signing for Oxford United Bogdanovic and Kozluk joining Sheffield United, Moore joining Burton Albion and Coulson joining Grimsby Town.
The Reds began their summer recruiting by bringing in Motherwell winger Jim O'Brien on a free transfer.
Next was Stoke City's Uruguayan international Diego Arismendi on a season-long loan.
Contract rebel Hugo Colace then rejoined the Reds after leaving the club at the end of his previous deal.