The 49ers had a multi-step plan for the quarterback positon.
Step One was to trade three first-round picks to Miami for the No. 3 overall pick in the 2021 NFL Draft. The 49ers would select their quarterback of the future with that pick.
Step Two was to trade their quarterback of the present, Jimmy Garoppolo. The idea was that Garoppolo would recoup some of that draft capital lost in the Lance trade.