The Pittsburgh Steelers have signed wide receiver Isaiah Williams, who signed with Baltimore as an undrafted rookie last year but was cut before the season began. At the University of Maryland Pro Day on March 11, 2009, Williams posted impressive numbers with a 40-yard dash time of 4.38 seconds, a 60-yard shuttle time of 11.10 seconds, a 20-yard shuttle time of 4.24 seconds, and a vertical jump of 41 inches. Source: National Football Post
