1. Siemian keeps the chains moving on the first drive

In his first start, quarterback Trevor Siemian helped conduct a nearly seamless opening drive with plays like this one. Siemian found tight end Virgil Green on a crossing route, and then connected with him on the next play for another second down, this time for a gain of 11. Siemian also picked up a third-down conversion with a 6-yard pass to wide receiver Jordan Norwood. He may not have thrown a touchdown, but he did get the Broncos in position for …

2. C.J. weaves through the 49ers defense for the TD

With impeccable vision and cuts, running back C.J. Anderson got the Broncos to pay dirt from 19 yards out on the first drive. Between Michael Schofield, who was filling in at right guard, and right tackle Donald Stephenson, Anderson rolled into the Niners' secondary. He dodged one tackle and then powered through another to get the ball across the plane for the score.

3. Watson FF at the 1, Tidwell recovers

Down a touchdown in the third quarter, the Broncos came within a yard of being down two. But just before running back DuJuan Harris reached the end zone, linebacker Dekoda Watson ripped out the ball from Harris' hands. The ball bounced into the end zone and into cornerback John Tidwell's grasp. The play would provide the spark the offense needed on the next drive.

4. Paxton's nifty scramble

Paxton Lynch's first touchdown throw in the preseason capped an 80-yard drive after the defense's end-zone fumble recovery. But the play of the drive might have been Lynch's scramble to shed a near-sack and gain 8 yards.

5. Lynch throws two TDs

Though the Broncos couldn't complete the comeback attempt, two of the highlights were Lynch's two touchdown passes. Take a look at each one below:

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