Editor’s note: This piece was updated Friday night, after the 49ers traded Trey Lance to the Cowboys. It was originally published Friday morning at 6:30 a.m. ET.
The Trey Lance era in San Francisco is over before it even began. What felt like a dramatic declaration of intent from one of the league’s best franchises in March 2021 ended meekly on a depth chart Wednesday and with a trade Friday. After the 49ers confirmed they intend to use Sam…