49ers' Trey Lance to start preseason opener vs. Raiders Sunday; Sam Darnold to play in second half
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49ers trade QB Trey Lance to Cowboys for fourth-round draft pick
Kurtenbach: Despite injury, the 49ers were right to play Trey Lance in preseason – Daily Democrat
49ers: Brock Purdy is back and he hasn't missed a beat
49ers coach Kyle Shanahan plans quarterback rotation switch in second exhibition game
Brock Purdy plays, Trey Lance delivers in 49ers preseason win - Sactown Sports
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Joe Montana on 49ers QB Brock Purdy: He makes great decisions and the ball comes out quick
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49ers make quarterback decision for first preseason game
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49ers' Lance-Darnold backup QB decision will come just before Week 1