Begin Again: Ethan Johnson's Post-Concussion Life – Rolling Stone
Dan Marino concussion lawsuit is latest filed against NFL
Dan Marino Considered Leaving Dolphins to Chase Super Bowl Title - Sports Illustrated
Dan Marino withdraws injury lawsuit against NFL - BBC News
Dan Marino files concussion lawsuit against NFL, NFL
Dan Marino to leave NFL concussion lawsuit - agent - Eurosport
Reports: Dan Marino withdraws from concussion lawsuit against NFL
Dan Marino wants to withdraw from concussion lawsuit against NFL
Dan Marino to leave NFL concussion lawsuit - agent - Eurosport