Miami Marlins star pitcher José Fernández has died, according to media reports. Fernández was killed in a boating accident off Miami Beach. Police reportedly found an overturned 30-foot boat that had crashed into rocks where three people were found dead. Authorities are searching for survivors. A Sunday game between the Miami Marlins and the Atlanta Braves has been cancelled in wake of the news. Fernández, 24, was born in Santa Clara, Cuba and was selected by the Marlins in the first round…