Donald Stephenson

Gary Kubiak has a mess to clean up when he returns to work

Joe DeCamillis said he felt like a substitute teacher, in which case the Denver Broncos had better brace themselves for the headmaster's return to work Monday.

Gary Kubiak has a mess on his hands when he gets back from his medically mandated sabbatical.

The Broncos (4-2) have lost two games in five days, dropping them out of first place in the AFC West for the first time since Peyton Manning had to use a GPS to get around Denver in September of 2012.

The Broncos' 21-13 loss at San Diego on Thursday night was a repeat of Denver's 23-16 loss to Atlanta on Sunday night.

They fell behind early and never recovered because of a mixture of conservative calls, costly...