nba jerseys online And despite his lanky appearance, he packs some bulk. The speedster from Hawaii has a strong arm, but can still size up a little more over the next three seasons to prepare for the Goliaths that litter NFL defenses.While I give absolutely no credit to 40yard dash times, considering they about as believable as anything Lance Armstrong says,Mariota has proven his speed time and time again. He debuted this speed in the Spring Game when he broke off an 82yard TD run outrunning Oregon fastest defensive backs.Playing His Best Against the Best:Excluding a mediocre performance against Stanford, Mariota has consistently played his best on the biggest stages.Rules are only as good as their enforcement. Since declaring in 2010 that it would come down hard on even firsttime hits to the head and neck, the NFL has suspended just two offenders each for a single game. Young brains are particularly vulnerable to the ravages of concussions, and m