Sheffield United have signed midfielder Paul Coutts and defender Kieron Freeman from Derby until the summer of 2017.
Coutts, 26, has joined the Blades for an undisclosed fee after making Derby 67 appearances in two-and-a-half years.
Freeman, 22, returns to Bramall Lane having played 12 times and moves on a free transfer after having his contract cancelled.
"Thanks everyone at Derby. Players, staff, facilities, fans first class and ready for next step," tweeted Coutts.
Coutts was after dislocating his kneecap in September 2013.