Rams select Cincinnati speedster Pead with 50th pick

The St. Louis Rams have been searching for a change-of-pace back to complement Steven Jackson for quite awhile. With the 50th pick in this year’s draft, they got one in Cincinnati tailback Isaiah Pead. Pead goes just 5-foot-10, 197, so he’s built like Bengals backup Bernard Scott. But Pead possesses 4.44 straight-line speed and averaged…