CSK bought 20 players in the IPL 2025 mega auction. CSK now have 25 players in their squad, including seven overseas players. Their top buys in the IPL 2025 mega auction were Noor Ahmad (₹10 crore), Ravichandran Ashwin (₹9.75 crore),  Devon Conway (₹6.25 crore) and Khaleel Ahmed (₹4.8 crore). CSK also bought Sam Curran, Rachin Ravindra and Vijay Shankar.