
The 49ers quarterback plan vs. the Broncos was supposed to be a slightly modified, backward version of what they did vs. the Raiders. Against Las Vegas it was Trey Lance for the entire first half, then Sam Darnold for the third quarter. Brock Purdy getting the start vs. Denver through a small wrench into things, but there was some confusion when Darnold wound up playing well into the third quarter.
Head coach Kyle Shanahan leading into the game said Purdy might start, but then Darnold would play the first half with Lance entering for the second. After the game he explained the reason for the deviation from that plan.