ENGLEWOOD — Darren Rizzi is looking in the mirror to improve Broncos special teams. “It starts with me,” Rizzi said after practice Tuesday. “I’m the special teams coordinator.” The Broncos have endured up-and-down special teams play throughout the year. Kicker Wil Lutz kicked the game winner to beat the Texans last week. But another Lutz field-goal attempt was blocked, wide receiver Michael Bandy muffed a punt and other players were late running onto the field on kicking units. Coach Sean Payton was especially peeved by the kicking substitution errors. On Sunday, after a 18-15 victory in Houston, he said: “We’ll get that cleaned up or we’ll find someone else that can do it.” Payton later...
