Pittsburgh Steelers Sign Lucas Crowley Posted Aug 9, 2017 The Pittsburgh Steelers have signed center Lucas Crowley. Crowley originally signed with the Arizona Cardinals on May 5 as an undrafted free agent out of North Carolina. The Cardinals released him July 22. Crowley started 41 games, including every game of the past two seasons. He was a two-time Rimington Award nominee as the best center in the country. (NBC Sports)