Diggs posted career-best receiving numbers against BC while Vellano led Maryland's stingy run defense.
The injuries at quarterback keep on mounting for Maryland, as freshman Caleb Rowe tore his ACL just one day after making his first collegiate start.
Chase Rettig completed a 14-yard touchdown pass to Johnathan Coleman with 52 seconds left to give Boston College a 20-17 victory over Maryland on Saturday.
Maryland quarterback Perry Hills had an MRI on Monday and, according to the team, will be out for the remainder of the season.
Neither Maryland nor Georgetown received any voting love in the initial top 25 coaches poll while VCU just missed being among the ranked.