The Denver Broncos have started three quarterbacks in the past month alone: Trevor Siemian, Brock Osweiler, and Paxton Lynch. If the Broncos weren’t panicking already, now might be an appropriate time to do so. They’ve gone through three signal callers – all three of whom were drafted and developed by the team, and two of whom were selected in the first two rounds – yet appear no closer to finding a long-term solution. After their Week 5 bye, Siemian threw six interceptions in his next three games, watching as Denver was outscored 73-29 over that stretch. Desperate, head coach Vance Joseph installed the much-maligned Brock Osweiler as the new starter, presumably as a placeholder for the former first-round pick Paxton Lynch, who was injured. Osweiler struggled in three starts, completing just 53 percent of his passes. After exhausting their two experienced options, the Broncos fired offensive coordinator Mike McCoy and penciled Lynch in for his first start of the year. But the Memphis product struggled mightily on Sunday