Where did you get your info?
My sources (Google) have determined that Chase is the fastest (4.40), followed by Jefferson (4.43), with Smith bringing up the rear at 4.49.
Most scouts believe Chase is the top wide receiver in the draft
www.si.com
LSU Tigers wide receiver Justin Jefferson runs official 4.43 second 40-yard dash at 2020 combine. TUNE IN to NFL Network for 2020 NFL Draft coverage
www.buccaneers.com
Daniel Jeremiah takes a first look at Alabama's DeVonta Smith and sees a highly productive wide receiver who's reminiscent of Pro Football Hall of Famer Marvin Harrison.
www.nfl.com