 Complete the following phrase:  On 4 December 1988, Hernâni scored a rare goal, netting for Benfica in a 20 home win against former side Setúbal. A fortnight later, after a 20 home success against Lisbon neighbours Sporting Clube de Portugal, he tested positive for cocaine, and received a three-month ban. He was a first-team regular in the latter part of the 198990 campaign, and played the whole of the 