NFL news, free agency updates: Steelers to sign RB Rico Dowdle, trade for Michael Pittman Jr.; Mike Evans, 49ers reportedly agree on deal; Kenneth Walker to join Chiefs – Yahoo Sports NFL news, free agency updates: Steelers to sign RB Rico Dowdle, trade for Michael Pittman Jr.; Mike Evans, 49ers reportedly agree on deal; Kenneth Walker to join Chiefs Yahoo Sports Brought to you by Google News. Read the rest of the article here Facebook Twitter Pinterest