Johansen haunted the Welsh club again when he gave the Whites the lead in the 17th minute .
Johansen netted in Fulham 's 2 - 1 FA Cup win against Cardiff last month .
Johansen , who netted in Fulham 's 2 - 1 FA Cup win against Cardiff last month , haunted the Welsh club again when he gave the Whites the lead in the 17th minute .