49ers vs. Vikings: Studs and duds

SANTA CLARA, CALIFORNIA – DECEMBER 24: San Francisco 49ers starting quarterback Jimmy Garoppolo smiles while talking to reporters during a press conference at Levi’s Stadium in Santa Clara, Calif., on Tuesday, Dec. 24, 2019. (Randy Vazquez / Bay Area News Group)SANTA CLARA — Here is how the 49ers’ playoff opener is unfolding through the first half against the Minnesota Vikings at Levi’s Stadium:

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QB Jimmy Garoppolo: His first career playoff start began with a touchdown drive, and it came on the 49ers’ first postseason possession since Colin Kaepernick’s end-zone interception in the 2013 NFC Championship Game loss at Seattle. Garoppolo was 5-of-6 for 57 yards, the lone…