The Los Angeles Rams are parting ways with defensive end Robert Quinn. The Rams have agreed to trade Quinn to the Miami Dolphins, a source informed of the situation told NFL Network Insider Ian Rapoport. The trade cannot become official until the NFL new league year begins March 14. Compensation the Rams would receive for Quinn was not immedately available. Quinn was notified of the trade during a conference call with the Dolphins, Rapoport reported.