GREEN BAY, Wisc. — Rich Scangarello slowly stood from the golf cart and trailed his fellow coaches down the stairs and through the winding hallway into the visitor’s locker room at Lambeau Field. With nearly every step, the Broncos’ offensive coordinator shook his head in disappointment as the previous three hours replayed in his mind.



The six sacks on quarterback Joe Flacco. The three turnovers. The third consecutive game in which the Broncos beat themselves before their opponent could.



This time, the undefeated Packers reaped the benefit.



The Broncos’ 27-16 loss at Lambeau on Sunday set them back to 0-3 on the season (their worst start since 1999, when John Elway retired) and 8-18 in road games since 2016 (when Peyton Manning retired).



“Times are rough around here,” said receiver Emmanuel Sanders. “Obviously the past three years — it’s been tough. Trying to get it right. We sit at 0-3, living in...