Robbins also didn't put together a season of solid game after solid game like Chase has this season, Robbins got half of his 500 yards the last two games, the rest he was not good, couldn't follow blocks. It took him most of the season to get healthy and feel comfortable in the offense. Chase didn't really have those problems the last two seasons.
I just feel as though NFL teams will have interest in a receiver like Chase, maybe I'm wrong and he'll be back which will make me happy as a BYU fan.