When Malcolm Roach went undrafted, he cried. When he walks onto the field now, he smiles. Roach, the Broncos’ affable defensive lineman, is a reminder that the path in the NFL is not straightaway but more like the Million Dollar Highway near Ouray. Roach played four years at Texas, served as a captain, delivered 23.5 tackles for a loss and no team used a pick on him. “I had tears in my eyes.