Young cornerbacks developing nicely for Pittsburgh Steelers
![Young cornerbacks developing nicely for Pittsburgh Steelers](http://bloximages.chicago2.vip.townnews.com/journalstar.com/content/tncms/assets/v3/editorial/c/41/c4184d07-0c33-58b7-9207-e191313931a2/57f52a94c6ea6.image.jpg?resize=300%2C169)
Tyreek Hill ran a 4.29 40 at his Pro Day and he looked all of that as the Kansas City Chiefs wide receiver sprinted past Pittsburgh Steelers rookie cornerback Artie Burns in the fourth quarter of Sunday night's game.