Trevor Siemian couldn't be rattled.
Not by the knee injury that ended his college career at Northwestern and scared away everyone but the Denver Broncos, who made him the 250th overall pick in last year's draft.
Not by his six-month audition for the Broncos' starting QB job that began with him as the dark horse against veteran Mark Sanchez and first-round draft pick Paxton Lynch.
He wasn't even unnerved Monday when coach Gary Kubiak informed him he'd won the job — making him the only QB with no passing attempts to take over a defending Super Bowl champion in Week 1.
"I feel like it's the right decision," said Kubiak, whose team opens against...