“What was different from a year ago when he was an unproductive rookie is how Doss rapidly accelerated after the catch, aggressively picking up yards and leaving defensive backs trailing behind him,” Wilson wrote.

“The hesitation that was obvious in Doss’ game last year has vanished.”
He was playing at about 200 lbs last year so he's up around 210 and now has the burst that made Flacco like him, I'm excited to see what he can do this year.