Presumably if Veltman does come back in when fit it either means he's fitting is at RBW so likely dropping Gross, or RCB which means we're dropping Duffy.
Both have performed well
And he's out for the Everton game which is 14 days after
Covid certainly a possibility. I understand why the club aren't confirming cases.
Lots of other possibilities though. Lack of match fitness after the isolation for example. Keep an eye out for the week's training photos