David Johnson, RB Cardinals came in with the fastest speed in the NFL in week 1 hitting 22.05 MPH on his Touchdown.
http://www.nfl.com/news/story/0ap300000 ... fastest-qb
Mariotta recorded the fastest time for a QB
http://www.nfl.com/news/story/0ap300000 ... fastest-qb
Mariotta recorded the fastest time for a QB