Possible Clues:

• Chelsea's leadership a laugh, ending in tedious league
• In such agreement cash, too, is involved
• In - - , in collusion with
• Colluding, with ''in''
• (In) a secret partnership (with)
• Word of realisation among birds in this together?
• What Dave and Nick are in, accountant warns
• Charlie, with hint of anger, ridicules collusion
• (In) partnership
• Collusion -- accountant sounds warning