Why you should be excited about
*He plays cornerback.
* His pro day numbers included a 4.43 40-yard dash, a 38.5-inch vertical leap and a 6.95 in the three-cone drill. Those numbers suggest speed, agility, and explosion in his 6-foot, 194-pound physical repertoire.
* He was originally recruited to UCLA by current Steelers defensive backs coach Carnell Lake before eventually transferring to Arizona, so there’s an existing relationship between the new player and the existing position coach.
* Richardson had a team-leading four interceptions in 2011, a team-leading 14 passes defensed in 2012 and factored in on a pair of interceptions in Arizona’s upset of No. 5 Oregon in 2013, so there are ball-skills with which to work.
* He produced 142 unassisted tackles, 189 total stops and eight tackles for loss in 49 career games (37 starts), all of which suggest a willingness to mix it up and an effectiveness while doing so.