England’s women are also set to play Australia in the US city the same day.
Sports broadcaster Gabby Logan and her husband, former rugby union player Kenny Logan, were also among those spotted at the Championships.
Gus Warr, Dylan Richardson and Arron Reed each scored two tries to lead Scotland in a 73-12 rout over host Canada in an international rugby union match on Saturday.Warr and Reed both started in their debut match for Scotland, which had 11 tries in the start of an Americas tour that continues next Friday at the United States.