You kind of left out this part:
Blaylock, who had 118 carries for 539 yards and eight touchdowns as a backup to Priest Holmes last season, may never get as far as Houston. He spent Wednesday visiting with the Jets, who are interested in signing him as a replacement for fellow free-agent running back LaMont Jordan.
I think he would be an excellent signing. I think he is at least potentially better than DD, and more durable as well.