Complex sentence: Vieira was appointed assistant manager to Moroccan national side in the 1986 FIFA World Cup in Mexico and alongside compatriot José Faria he led Morocco in to the second round of the tournament, becoming the first African side to do so in the process.
Split into simpler sentences: Vieira was appointed assistant manager to Moroccan national side for the 1986 FIFA World Cup in Mexico. Alongside compatriot José Faria he led Morocco in to the second round of the tournament, becoming the first African side to do so in the process.