and I hope I don't have to keep saying that sure.. he's a rookie, unproven, he's not 'there' yet, or at least not proven. That's one big "Duh".
"Separation" is becoming less and less vital in today's game.. IMHO. Fighting for the ball, being able to 'catch', now takes precedence. IMHO, of course. Kupp appears to have that ability. (Along WITH getting separation). I can't think of another Ram's receiver on today's roster, or any Ram's roster in the several years, that I can say that about. I can, like you, name several great catches in the last few years but I can't think of any one receiver that did it consistently.
There is 'talent' and then there is 'talent that gets the job done'. I see Kupp as blue collar... not the glitter and flash of the WR's coveted by most today... but... well, this video explains it better than I can:
