To begin, AJ Brown is worth a little more than DK Metcalf, IMO. A second rounder more.
But, I traded AJ Brown, Javonte Williams, and Chase Young (say around the 2.06) for DK Metcalf, Courtland Sutton, and the 1.01 in the off-season.
That's probably too many pieces to give a true comparison but I preferred, in my heart, Metcalf to Brown and Breece Hall to Javonte. Especially since I thought I got a little cream with Sutton, but that was back in the off-season when we didn't know he'd be a WR1 (he's tenth in our league) so far. Well, I had a sneaking suspicion he'd be good.
Everybody's mileage may vary on that trade. Remember you can't judge it since J. Williams went down, it's really about value
at the time.
Moving on from that:
Hollywood Brown is outscoring both of them respectively by a pretty good margin, by the way.
I'd say they're worth more than the 1.01, but not by too much. Bijan or an RB satisfies RB requirements and helps with RB scarcity.
It's all so screwed up. Who knows what they're worth? What they're worth is what they're worth to the owner, in the end.
If you want a definitive/objective amount (with all the limitations a calc entails) check KeepTradeCut to get an idea. It's free.