Derby have signed Sheffield United striker Paul Peschisolido, with Izale McLeod moving the other way on loan until the end of the season.
Peschisolido is set to move to Derby
Canadian Peschisolido, 32, has signed a two-year deal while McLeod has joined with a view to a permanent transfer.
Peschisolido's deal was due to expire this summer and, despite being offered a new one, he has decided to move on.
Neither player will be allowed to appear in the fixture between the two clubs at Bramall Lane on 23 March.