I think Chase can do that stuff well. He is built like a RB in the legs and just ran a 4.38. He won't straight out-run people like Waddle but he has juice after the catch.
The other part is that there are way more dynamic-type WRs later in the draft than ball-winners. There are guys like Elijah...
Chase is still what I'd consider big. He's a good 20-30 pounds over the Alabama guys with tremendous play strength and big hands.
Really strong and explosive through his legs which we can see with the jumps.
At #6, give me Chase, Pitts or Sewell. Smith is a good enough player to get picked there but I lean toward size at that point in the draft.
There is a lot of Dolphins buzz around Smith, though, and he is a personality fit.