The Cowboys are signing their second wide receiver in free agency, sources have confirmed.Sources told SportsDay Cowboys insider Brandon George on Friday that Dallas has agreed to a 2-year deal with ex-Jaguars receiver Allen Hurns.The former Miami Hurricane, who has spent the last four seasons with the Jaguars, visited The Star on Wednesday, according to a source.Hurns (6-3, 201) was released by the Jaguars on Tuesday after playing only 10 games last season.