Jason La Canfora reports via Twitter that the Pittsburgh Steelers have signed rookie linebacker Jason Worilds to a four-year contract. He was drafted by the Steelers in the second round of the 2010 NFL Draft. Worilds led the Virginia Tech Hokies in quarterback sacks during his sophomore season with 8. and is known for his quickness, speed and agility coming off the edge. Source: Jason La Canfora, Twitter.com