Siemian is a Kyle Orton clone. When the Broncos defense is great, TS plays well. When the Broncos defense has a bad day, TS folds under pressure and throws picks. That's why he's not the long term answer at QB. The great QBs in the league are consistent and can lead their teams to wins (or at least stay competitive) regardless of the play of the defense. That being said, Siemian should be on a short leash and if he falls apart or looks/seems to be injured on Sunday, Joseph needs to pull him and play Brock. I said it a couple weeks ago and I'll say it again: Tyrod Taylor or (if Elway can work his magic) Kirk Cousins will be the starter next season.