Saibari scored in Morocco's opening 1-1 draw with Brazil last weekend and his clinical finish with just over a minute gone settled a hard-fought, physical contest watched by a crowd of 64,146 at the Gillette Stadium near Boston.The 25-year-old, who was born in Spain and raised in Belgium, is reportedly on the brink of a 55 million-euro ($63m) transfer from Dutch champions PSV Eindhoven to Bayern Munich.The quality of his strike past goalkeeper Angus Gunn showed why he is attracting such interest, and it was telling that Scotland lacked the same quality in the opposition box -- that helps explain why Morocco are ranked fifth in the world, and Scotland 40th.With four points from two games, Morocco are now primed to advance to the last 32 as they aim to at least match their historic run to the semi-finals in Qatar in 2022.However, it was a sobering evening for Scotland and their army of fans who have taken over Boston during this World Cup, as their team never really tested Morocco goalkeeper Yassine Bounou.The laboured 1-0 win over Haiti in their opening game at the same stadium last weekend -- which was their first victory at a World Cup since 1990 -- gave them a platform to build on and reason to believe they can progress beyond the group stage at a World Cup for the very first time.Another win here would have secured progress from Group C, but their chances of going further remain up in the air going into their next match against Brazil in Miami next Wednesday.Morocco, whose captain Achraf Hakimi started hours after it was confirmed he must stand trial in France on rape charges, face Haiti in Atlanta next.Scots lack cutting edgeMoroccan coach Mohamed Ouahbi went with an unchanged starting line-up here following the Brazil clash, but opposite number Steve Clarke made three changes.