Denver Broncos quarterback Trevor Siemian drops a perfect back-shoulder pass in to wide receiver Emmanuel Sanders for 26-yards

Denver Broncos quarterback Trevor Siemian finds wide receiver Demaryius Thomas on crossing route for a big third down conversion

Denver Broncos quarterback Trevor Siemian darts 22-yard pass to wide receiver Demaryius Thomas

Denver Broncos quarterback Brock Osweiler ropes pass to wide receiver Emmanuel Sanders for 17 yards

Kansas City Chiefs linebacker Justin Houston shows off wheels, tracks down Denver Broncos quarterback Trevor Siemian for sack

New York Giants safety Landon Collins picks off Denver Broncos quarterback Trevor Siemian for first INT of 2017

Denver Broncos quarterback Trevor Siemian scrambles up the middle for first down

Denver Broncos quarterback Trevor Siemian throws pass across body, gets picked off for third time

Indianapolis Colts safety Kenny Moore II records his first career interception on bad throw from Denver Broncos quarterback Trevor Siemian

Denver Broncos QB Trevor Siemian locks in on tight end A.J. Derby for Denver Broncos TD

Trevor Siemian, mariscal de campo titular de los Broncos.

Denver Broncos QB Trevor Siemian hits Virgil Green in stride for 24-yard gain

2016 - Trevor Siemian connects with Emmanuel Sanders for 15 yards

Denver Broncos QB Trevor Siemian fires over the middle to Demaryius Thomas for 24-yard gain

Denver Broncos QB Trevor Siemian throws to running back Devontae Booker for 23-yard gain

Denver Broncos QB Trevor Siemian uncorks one deep downfield, gets picked off by Kansas City Chiefs safety Ron Parker

Denver Broncos wide receiver Demaryius Thomas makes impressive toe-tap catch for 22 yards

Denver Broncos wide receiver Bennie Fowler ducks under a tackle, takes off for 18 yards

Denver Broncos quarterback Trevor Siemian's audible helps set up huge run for running back Devontae Booker

Denver Broncos wide receiver Emmanuel Sanders spins off defenders for 33-yard gain

Siemian is the starter, but what does that mean for the Broncos?