Comparing Patterson to Harvin as rookies

The Minnesota Vikings drafted Cordarrelle Patterson in the first round with the hope that he will replace the departed and ever-versatile Percy Harvin. He carries a similar skill set, but the question at hand is how quickly they can get the young wideout up to speed at the NFL level. Per ESPN's Michael Rothstein, it sounds like coach Leslie Frazier is keeping his expectations in check early on.